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Briefly describe the female reproductive organs in humans

Female Reproductive Organs: Anatomy and Functio

  1. ant organs of the female reproductive system. It serves important functions during pregnancy and childbirth. The interior membrane that lines the uterus is called..
  2. ora, vulva, Bartholin's gland, and the clitoris
  3. The female reproductive system consists of mainly the ovary, fallopian tubes, The uterus and the vagina and the external genitalia which is the vulva. The ovary is responsible for the oogenesis where the egg formation takes place. The fallopian tube carries the egg to the uterus and here the fertilization takes place
  4. The female reproductive system is designed to carry out several functions. It produces the female egg cells necessary for reproduction, called the ova or oocytes. The system is designed to..
  5. The female reproductive system is one of the most vital parts of the human reproductive process. Although a man is needed to reproduce, it is the woman who incubates the developing fetus and..

The Female Reproductive System Boundless Anatomy and

The human female reproductive system consists of primary sex organ as ovaries and two fallopian tubes, uterus and vagina as female accessory ducts. The process involved by which a female gets.. Gamete-producing organs of the female reproductive system; Produce eggs and sex hormones. Eggs mature near the surface of the ovaries. Oviducts. An oviduct is the tube that leads from an ovary to the uterus. Oviducts also called fallopian tube or uterine tube. Transports eggs to the uterus. The finger-like projections (fimbriae) at the end of. In human beings, both males and females have different reproductive systems; hence, they are known to exhibit sexual dimorphism. Males have testes- also called testicles, while the females have a pair of ovaries. Also read: Sexual Reproductio Menstruation occurs throughout a woman's reproductive life in the absence of pregnancy. Menopause is the permanent cessation of menses. Average duration of menses is 5 ( ± 2) days. Blood loss per cycle averages 30 mL (normal range, 13 to 80 mL) and is usually greatest on the 2nd day

Estradiol: One of the estrogens produced in the human body, predominant during a woman's reproductive years. Estrogens are a group of compounds named for their importance in the estrous cycle of humans and other animals. They are the primary female sex hormones, although they are found in males as well The female reproductive system includes the ovaries, fallopian tubes, uterus, vagina, vulva, mammary glands and breasts. These organs are involved in the production and transportation of gametes and the production of sex hormones

The vagina carries the female's menstrual flow outside the body, receives the male penis during intercourse, and serves as the birth canal during labor. In the reproductive process, a male sperm and a female egg provide the information required to produce another human being. Conception occurs when these cells join as the egg is fertilized The primary reproductive organs of either system are called gonads (ovaries and testes) and these are responsible for gamete (sperm and egg cell) and hormone production. Other reproductive structures and organs are considered secondary reproductive structures and they aid in the growth and maturation of gametes and offspring

Briefly describe the human female reproductive system with

  1. ora, vulva, Bartholin's gland, and the clitoris
  2. ora, clitoris, vestibule, hymen, vestibular bulb and vestibular glands.. The components of the external female genitalia occupy a large part of the female perineum and collectively form what's known as the vulva.The functions of the external female genitalia are many.
  3. The female reproductive system The female reproductive organs are the vagina, womb (uterus), fallopian tubes and ovaries: Vagina - a muscular canal around 7.5 cm long that extends from the neck of the womb to the genitals, or vulva. Uterus (womb) - a muscular organ, shaped like an upside down pear
  4. The female reproductive system is made up of the internal and external sex organs that function in reproduction of new offspring.In humans, the female reproductive system is immature at birth and develops to maturity at puberty to be able to produce gametes, and to carry a foetus to full term.The internal sex organs are the uterus, Fallopian tubes, and ovaries
  5. The human male and female reproductive cycles are controlled by the interaction of hormones from the hypothalamus and anterior pituitary with hormones from reproductive tissues and organs. In both sexes, the hypothalamus monitors and causes the release of hormones from the pituitary gland
  6. Human sexual activity - Human sexual activity - Development and change in the reproductive system: One's anatomy and sexuality change with age. The changes are rapid in intra-uterine life and around puberty but are much slower and gradual in other phases of the life cycle. The reproductive organs first develop in the same form for both males and females: internally there are two.

Identify the four major functions of the reproductive system. 4pts 2. List and briefly describe the organs, glands and ducts of the male reproductive system. 9 items - 18 pts 3. List and briefly describe the organs and ducts of the female reproductive system. 4 items = 8 pts 4. Explain the hormonal regulation of the testes function Human reproductive system, organ system by which humans reproduce and bear live offspring. Provided all organs are present, normally constructed, and functioning properly, the essential features of human reproduction are (1) liberation of an ovum, or egg, at a specific time in the reproductive cycle, (2) internal fertilization of the ovum by spermatozoa, or sperm cells, (3) transport of the. The external parts of the female reproductive system include: Labia majora: It protects and encloses the other outside reproductive organs. The labia majora can be tagged as outsized and fleshy and is analogous to the male scrotum. It contains sweat as well as oil-secreting glands. The labia majora gets covered with hair right after puberty

Female Reproductive System: Organs, Function, and Mor

Female Reproductive System Anatomy, Diagram & Function

  1. Fertilization Definition. Fertilization is the process by which male and female gametes are fused together, initiating the development of a new organism.. The male gamete or 'sperm', and the female gamete, 'egg' or 'ovum' are specialized sex cells, which fuse together to begin the formation of a zygote during a process called sexual reproduction
  2. The female reproductive system includes all of internal and external organs that help with reproduction. The internal sex organs are the ovaries, which are the female gonads, the fallopian tubes, two muscular tubes that connect the ovaries to the uterus, and the uterus, which is the strong muscular sack that a fetus can develop in
  3. Joseph Feher, in Quantitative Human Physiology, 2012. Publisher Summary. This chapter discusses female reproductive physiology.The female gonads are the ovaries, paired structures that secrete estrogens, androgens, and progestins at various stages in the menstrual cycle, and that release, generally, a single ovum in the middle of the cycle
  4. ora, Bartholin glands, and clitoris. The area containing these organs is called the vulva. The external genital organs have three main functions: The mons pubis is a rounded mound of fatty tissue that covers the pubic bone
  5. Uterine cancer begins in the uterus, the pear-shaped organ in a woman's pelvis where the baby grows when a woman is pregnant. Vaginal cancer begins in the vagina, which is the hollow, tube-like channel between the bottom of the uterus and the outside of the body. Vulvar cancer begins in the vulva, the outer part of the female genital organs.
  6. The female reproductive system provides several functions. The ovaries produce the female egg cells, called the ova or oocytes. The oocytes are then transported to the fallopian tube where fertilization by a sperm may occur
  7. Changes in the structure of the female reproductive organs may occur. Endometriosis can cause pelvic adhesions made of scar tissue to form between nearby structures, such as between the ovary and pelvic wall. This can obstruct and affect the release of the egg after ovulation

Briefly describe the human reproductive system

Are able to identify the structure and function of the male and female reproductive organs in humans Can describe the process involved in human reproduction Exam Questions Question 1 (Adapted from DBE Feb 2014 Paper2, Question 1.4) The diagrams below show the human male and female reproductive systems 11. Female Sexual Dysfunction. Female sexual dysfunction, while not one of those typical female reproductive system diseases, occurs when a person fails to be stimulated during sexual intercourse. Other accompanying symptoms may include reduced sexual desire, difficulties in arousal, anorgasmia and pain during intercourse The female reproductive system is a complicated but fascinating subject. It has the capability to function intimately with nearly every other body system for the purpose of reproduction. The female reproductive organs can be subdivided into the internal and external genitalia (see the images below) Describe the roles of male and female reproductive hormones As in all animals, the adaptations for reproduction in humans are complex. They involve specialized and different anatomies in the two sexes, a hormone regulation system, and specialized behaviors regulated by the brain and endocrine system Female reproductive anatomy. Know the location and function of: ovaries, oviducts (Fallopian tubes), uterus, cervix, vagina, labia, and the clitoris. ( Front View ). All the egg cells in a female are formed in her ovaries during development (i.e. they are present (frozen in meiosis) at birth in contrast to males)

Oogenesis is the process by which the female gametes, or ova, are created. The female gamete is called an ovum. Sometimes people will refer to female gametes as eggs, but the term egg can include. Pathway of the Ova (egg) The ova starts in the ovaries, (the female reproductive organ within the body). Then it goes to the fallopian tubes, which are tubes that connect the ovaries to the uterus. The uterus is where the fertilized egg develops into the fetus. Then it moves to the cervix, which is the connector between the uterus and vagina The female reproductive system. During puberty, the hypothalamus signals the pituitary gland to produce two hormones, follicle-stimulating hormone (FSH) and luteinizing hormone (LH). In females, FSH and LH stimulate the ovaries to produce the female sex hormones, estrogen and progesterone The organs of the female reproductive system are found both inside and outside of the female body. The organs inside the body are in the pelvis, which is the lowest part of the body cavity above the legs. Vagina - the area between the lower part of the womb (the cervix) and the outside of the body. The vagina receives the penis during sexual.

List the female reproductive organs and their functions

Learn about the female reproductive system's anatomy through diagrams and detailed facts. Our experts describe the functions of female reproduction, including ovulation, fertilization, and menopause. Find more on the female reproductive organs, the menstrual cycle, and more Human Reproductive System, Early Development. During sexual arousal each gland produces a clear, viscous secretion known as pre-ejaculate. This fluid helps to lubricate the urethra for spermatozoa to pass through, neutralizing traces of acidic urine in urethra, and helps flush out any residual urine or foreign matter (Provide lubricants.

Human Reproductive System - Male and Female Reproductive

  1. al vesicles, vas deferens, prostate, and Cowper's gland are the structures of the male reproductive system while.
  2. 18. Briefly describe the structure and functions of the male and female reproductive systems. Structure of female reproductive system: (The female reproductive system has 2 primary components, the ovaries and also the uterus which creates a female egg cell. It involves vagina, ovaries, uterus, fallopian tubes as well as cervix. The vagina is a canal which links the lower part of the uterus to.
  3. Shelby Miller The male reproductive system has external and internal parts. The anatomy of the reproductive system includes those organs, tissues, and vessels that participate in the process of reproduction, or the generation of one or more offspring from a male and female parent. Unlike the other systems of the human body, the anatomy of the reproductive system differs significantly in men.
  4. 3. Explain which of the male and female external genitalia are homologous to each other. 4. Finally, briefly describe one pathological condition (disease) affecting the female reproductive system, and another one involving the male reproductive system. Formatting: 1

Biological Theories of Gender. People often get confused between the terms sex and gender. Sex refers to biological differences between males and females. For example, chromosomes (female XX, male XY), reproductive organs (ovaries, testes), hormones (oestrogen, testosterone). Gender refers to the cultural differences expected (by society. Grades 9 to 12 • Human Body Series. Female Reproductive System. A sexually mature girl's reproductive system is amazingly complex and can be the source of many questions and much misinformation. These activities will help students understand the anatomy and function of the female reproductive organs. Related KidsHealth Links. Articles for. Human female reproductive tract illustrating stages of gamete transport. ( A) Sperm entering cervical mucus at external os of cervix. The mucus fills the upper half of the inset. ( B) Sperm interacting with endosalpingeal epithelium in Fallopian tube. ( C) Hyperactivated motility of sperm in Fallopian tube

That doesn't mean that one cone (or flower) has both male and female organs, though. On the contrary, it means that a single plant bears separate male and female cones (or flower), having solely male and female reproductive organs respectively. Dioecious plants are those that have male and female conifers (or flowers) growing on separate plants Question: Identify The Four Major Functions Of The Reproductive System. 4pts List And Briefly Describe The Organs, Glands, And Ducts Of The Male Reproductive System. 9 Items - 18 Pts List And Briefly Describe The Organs And Ducts Of The Female Reproductive System. 4 Items = 8 Pts Explain The Hormonal Regulation Of The Testes Function. Include The Role Of The.

The human female reproductive system is a series of organs primarily located inside of the body and around the pelvic region of a female that contribute towards the reproductive process. The human female reproductive system contains three main parts: the vulva, which leads to the vagina, the vaginal opening, to the uterus; the uterus, which holds the developing fetus; and the ovaries, which. Briefly describe how the urinary system, respiratory system, digestive system and integumentary system contribute to excretion of waste products from the human body (in 110-140 words). Briefly describe the structure and functions of the male and female reproductive systems (in 80-110 words) The male reproductive system is a grouping of organs that make up a man's reproductive and urinary systems. These organs do the following jobs within your body: They produce, maintain and transport sperm (the male reproductive cells) and semen (the protective fluid around the sperm). They discharge sperm into the female reproductive tract

Female Reproductive Endocrinology - Gynecology and

Publisher: MEDCoE. This free online course teaches you about the anatomy and physiology of human reproduction. It covers a range of topics, including sex hormones, common embryonic organs and gametes, and examines the anatomy and function of both male and female reproductive organs. It also looks at intrauterine development and parturition Human reproduction employs internal fertilization, and depends on the integrated action of hormones, the nervous system, and the reproductive system. Gonads are sex organs that produce gametes. Male gonads are the testes , which produce sperm and male sex hormones Reproductive hormones released by the glands of the endocrine system have been identified for nearly a century, yet the influence that they have on sexual behaviors is far from understood or agreed upon. This paper very briefly reviews the physiological effects of hormones on reproduction and development, and describes some of the effects of.

Three accessory glands of the male reproductive system are: Seminal vesicle, Prostate gland, Cowper's gland.. 1) Seminal Vesicle: It is a pair gland present lateral to the urethra on both the side. 60% of the semen content is of seminal vesicle.It secretes fructose (gives energy to the sperm for swimming in the female genital tract), prothrombin and fibrinogens etc In the human reproductive process, two kinds of sex cells, or gametes (GAH-meetz), are involved. The male gamete, or sperm, and the female gamete, the egg or ovum, meet in the female's reproductive system. When sperm fertilizes (meets) an egg, this fertilized egg is called a zygote (ZYE-goat). The zygote goes through a process of becoming an. The reproductive system of animals depends on what animal they are. Most animals have reproductive systems similar to that of humans. Animals must pair with a partner of the opposite sex in order to reproduce. Quite opposite to the flower, animals have either the male reproductive system or the female reproductive system An adult human body consists of about 100 trillion (10 14) cells. The most commonly defined body systems in humans are the nervous, the cardiovascular, the digestive, the endocrine, the immune, the integumentary, the lymphatic, the musculoskeletal, the reproductive, the respiratory, and the urinary system A girl's major reproductive organs are located inside her pelvis. What are they called? What do they do? Describe some of the unique features of the female body that enable it to grow a fetus and give birth to a baby. Human Body Series. Female Reproductive System. Quiz Answer Key. 1. The two oval-shaped organs that produce, store, and.

Anatomy Female Reproductive System- Ovary- Mammary Gland

Physiology of the Female Reproductive System Boundless

The female reproductive structures are further grouped into two categories: the first one is that of uterus and vagina, and the second one comprises ovaries. In a similar way, the male reproductive organs are also classified as penis and testes. Let's have a brief overview of both human male and female reproductive organs: Female Reproductive. The ligaments of the female reproductive tract are a series of structures that support the internal female genitalia in the pelvis. Collectively, these ligaments are tough and non-extensible. They act to support the female viscera and provide a conduit for neurovascular structures First, let's look at some of the structures of the female reproductive system. Figure 27.9 Female Reproductive System The major organs of the female reproductive system are located inside the pelvic cavity. External Female Genitals. The external female reproductive structures are referred to collectively as the vulva (Figure 27.10). The mons.

Human Reproductive Systems 12 The Female Reproductive System Puzzle - Answer Key With your group, correctly fill in the blanks in the description of the female reproductive system below. Use each word from the vocabulary list only once. Use the bolded words to correctly fill in the blanks in the female anatomy illustration below The Reproductive System and Human Genetics. Briefly describe the life cycle of an oocyte. produced and maintained by the female reproductive organs. The female reproductive organs: Transport oocytes to the site of fertilization. Provide a nurturing environment for the developing fetus. Give birth to a child Buy Find launch. Human Biology (MindTap Course List) 11th Edition. Cecie Starr + 1 other. Publisher: Cengage Learning. ISBN: 9781305112100. Solutions. Chapter. 1 Learning About Human Biology 2 Chemistry Of Life 3 Cells And How They Work 4 Tissues, Organs, And Organ Systems 5 The Skeletal System 6 The Muscular System 7 Circulation: The Heart And. Reproduction in Human Beings. Sexes: In this reproduction both sexes are involved and that are Male and female. Gonads: The reproductive organs of organisms. Both male and female have gonads. Male gonad. Testis is the male gonad. They produce gametes. Gametes are the cells that are actually participate in fusion process of fertilization

Lesson 12 - Pelvic Organs. The pelvis and perineum house organs associated with the gastrointestinal (GI), urinary, and reproductive systems. In this lesson, I will cover the organs and structures associated with these systems, and briefly consider the functions carried out by various structures.You will learn a lot more about each of these systems when you take physiology biochemical and/or physiological disorders in brain and reproductive organs, by interfering with the hormone we will briefly describe the processes of sexual differentiation and maturation in the rodent. Comparative sexual differentiation and maturation in female rodents and humans. The reproductive system of female rodents (primarily. Reproductive Organs. Describe briefly the structures of human male and female reproductive systems and how they work together for fertilisation to take place; Describe how each part of the female reproductive system is involved in the menstrual cycle; Contraception and STIs This free online course enables the learner to explore the structure and functions of the human reproductive system. • Briefly describe the structure and function of the female reproductive system. • Describe the role of the Ovary in the female reproductive system. • Describe the different stages of development during pregnancy

Antenatal Care Module: 3Female Reproductive System Royalty Free Stock Photos

Briefly describe the process of spermatogenesis. Or The cyclic changes that occur in the reproductive organs of primate femaLes (monkeys, apes, and human beings) constitute the menstruaL cycLe. Draw a diagram of the adult human female reproductive system and label the different: (a) parts of the fallopian tube (b) layers of the uterus. Sagittal section of the human testis Fill in the blanks: Reproductive organs of the female male (sagittal view) A&P Review for Nursing students 18. Fill in the blanks: Frontal section of a portion of the female reproductive system 19. Briefly describe the function of the following structures: a. Vagina ____ Describe briefly the female reproductive organs. Answer: The female reproductive organs are a pair of ovaries, oviducts (fallopian tubes) and the uterus. The ovary produces female gametes called ova (eggs). The egg so produced is a single cell. In human beings, a single matured egg is released into the oviduct by one of the ovaries every month This process is called fertilization 1. Once the mature egg is fertilized, the egg travels down the Fallopian tube to the uterus. Once the fertilized egg is in the uterus, it begins to implant into the wall of the uterus 1. If the egg successfully implants, pregnancy has been achieved and the egg is referred to as an embryo

The uterus is a secondary sex organ.Secondary sex organs are components of the reproductive tract that mature during puberty under the influence of sex hormones produced from primary sex organs (the ovaries in females and the testes in males).. They are responsible for the maintenance and transportation of gametes.. In this article, we shall look at the composition and clinical significance of. The gamete they produce is called an oocyte. We'll discuss the production of oocytes in detail shortly. First, let's look at some of the structures of the female reproductive system. Figure 27.9 Female Reproductive System The major organs of the female reproductive system are located inside the pelvic cavity

Female Reproductive System - Anatomy Pictures and Informatio

The male reproductive organs functions to produces sperms and transfer it to the female reproductive organ to get fertilize and produce the new one of their kind. On the contrary, the female reproductive system is located inside the body, with entry and exit at the vulva. The female reproductive organ functions in producing ovum (eggs) and when. The ovaries, fallopian tubes, uterus, cervix and vagina (vaginal canal) make up the female reproductive system. An oophorectomy (oh-of-uh-REK-tuh-me) is a surgical procedure to remove one or both of your ovaries. Your ovaries are almond-shaped organs that sit on each side of the uterus in your pelvis. Your ovaries contain eggs and produce. In general, infertility is defined as not being able to get pregnant (conceive) after one year (or longer) of unprotected sex. Because fertility in women is known to decline steadily with age, some providers evaluate and treat women aged 35 years or older after 6 months of unprotected sex. Women with infertility should consider making an. Show Visual 2: Female (External) and describe the parts. (Show Script >>) 4. Review the internal reproductive organs Show Reproductive System Visuals 3 and 4. Fill in the names and describe the functions of the organs in the male and female reproductive systems (internal views) while students take notes on Reproductive System Worksheet 3 and. Female Reproductive Organs: There is a pair of bilobed (paired according to some) ovaries or germaria situated in the posterior region of the proglottid. The two lobes are unequal in size and lie one on each side of the median line. The ovaries are made up of numerous branching tubules which converge to form the oviducts

In this section, the length of menstrual cycle has been assumed to be 28 days (which is the average among women). The entire duration of a Menstrual cycle can be divided into four main phases: Menstrual phase (From day 1 to 5) Follicular phase (From day 1 to 13) Ovulation phase (Day 14) Luteal phase (From day 15 to 28) Menstrual phase (day 1-5 The female reproductive organs consist of the ovary, uterus, cervix, vagina, and vulva. A sketch of the reproductive tract of the cow is shown in Figure 1. Female reproductive tracts of various livestock species are similar to the tract of the cow but differ primarily in the shape of the uterus and cervix Mitosis results in two cells that are duplicates of the original cell. One cell with 46 chromosomes divides and becomes two cells with 46 chromosomes each. This kind of cell division occurs throughout the body, except in the reproductive organs. This is the way most of the cells that make up our body are made and replaced The key difference between male and female reproductive system is that the male reproductive system produces sperms while the female reproductive system produces egg cells or the ova. Furthermore, the formation of sperms occurs in a cold environment, whereas the formation of ova occurs under warm conditions within the ovaries • Prepare enlarged illustrations of the male and female genitals and reproductive organs—for classes that are bigger than 25. LEARNING OUTCOMES: By the end of this lesson learners will be able to: 1) Describe the path of an egg (ovum) during menstruation. [knowledge] 2) Describe the path of a sperm during ejaculation. [knowledge

Reproductive Process - Visible Bod

The endocrine system controls the functioning of the reproductive system. The responsible endocrinal glands are known as the gonads. The gonads secrete sex hormones, which are responsible for sexual development, and the associated growth spurts in the body. They are also responsible for the development of secondary sexual characteristics The ovary is the gonadal organ (primary sexual organ) in females. There are two ovaries located within the pelvic cavity, on either side of the uterus. Ovaries contain the developing follicles which produce human egg cells (ova/oocytes) in a cyclic manner, and are also responsible for the secretion of some important hormones such as estrogen.

Male and Female Reproductive Systems - ThoughtC

The major internal organs of the female reproductive system include the vagina and uterus — which act as the receptacle for semen — and the ovaries, which produce the female's ova two organs is morphologically different. It is their location which makes visualization difficult. In most mammals, including humans, the testes are located in the scrotum which is outside the body The female bird's reproductive tract consists of the left ovary and the left. The following sections describe the female reproductive system (including vulva, vaginal and ectocervical squamous epithelium, metaplastic epithelium of the transformation zone, endocervix and cervical mucus, endometrium, IUDs, tube, ovary, and mammary gland), the male reproductive system (male sex organs, spermatozoa) and the conceptus.

Grasshopper Reproductive System (reprod) | EntomologyNormal Menstruation (Monthly Period): Menstrual Cycle

Male And Female Reproductive Structures And Their

Man's reproductive system performs so many functions including production of sex hormones, ensuring fertility and sexual well-being as well. The male reproductive organs are also named as genitals and unlike female reproductive system; they lie inside as well as outside pelvis. The male genitals include the penis Anatomical changes during pregnancy Author: Onome Okpe • Reviewer: Uruj Zehra MBBS, MPhil, PhD Last reviewed: August 31, 2020 Reading time: 6 minutes The term gestation, also known as pregnancy refers to period of development of an embryo/fetus within the female reproductive system.It is mainly the period of the intrauterine life of a fetus, and includes developmental changes from conception. Briefly describe cellular respiration. D) Describe basic human structural organization: 1. Describe the functions, structure, classification, and identification of tissues. 2. Define organs and using skin as an example, describe its basic structure. 3. Relate cell, tissue, organ, organ system, and homeostasis to human organization. 4 (b) The adhesion of male and female reproductive organs (c) The fusion of nuclei of male and female gametes (d) The shedding of gametes from a reproductive organ. 5. The site of maturation of human sperm is the: (a) Seminiferous tubule (b) Interstitial cells (c) Epididymis (d) Prostate gland. 6. The onset of menstruation in the female is termed

Reproduction in Flowering Plants - Presentation BiologyPhysiology of Reproduction | Vetoquinol Repro360

The recto-vesical pouch serves to separate it from the rectum, while the prostate (an exocrine gland of male reproductive system) lies in the region below this urine-storing organ.. Location of Female Bladder. Some aspects of its location are similar in both men and women, but it does manifest certain differences in the opposite genders Get answer: (a) Explain the process of spermatogenesis in humans. (1) It takes in the seminferus tubules of the testes by the repeated division of spermtogonia in male. <br> (2) Spermatogenesis starts at the age of pubertu due to significant increases in the secretion of gonadotropi9n releasing hormone Reproductive System of Earthworm Earthworms are hermaphrodites but they cannot fertilize their own eggs because of their relative position of male and female genital aperture and they are protrandous (i.e. male sex mature earlier than female gametes). So, cross-fertilization takes place. A] Male reproductive organs They consist of following parts: Testes There are two pairs of small, white and. Briefly describe the process of spermatogenesis. Answer: In a new born human female all the germ cells are in a state of primary oocytes. Only after puberty the primary oocyte enters the stage of first meiosis. During this time a series of changes occur in the reproductive organs and sexual behaviour of the female. Menstrual cycle is a.