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Reproductive systems- Biology homework

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Biology Homework -------Reproductive systems Task: 1. Choose 1 part of the male and female reproductive systems and discuss the following: (a). Ovaries: 2 oval bodies each about 35mm long, lying in the lower part of the abdomen. Attached by a membrane to the uterus and supplied with blood vessels. Each ovary produces eggs (ova) in alternate months. (b). Oviducts/Fallopian tubes: Tube down which ova pass after they have been released from the ovary. Lined with cilia which, along with muscle. Contractions, bring about the movement of the Gametes in both directions. (c). Uterus/Womb: When there is no embryo the uterus is only 80mm long with 10mm thick walls, consisting of unstriated involuntary muscle and a glandular lining. It expands during pregnancy. It is the size of an orange or fist. (d). Vagina: Muscular tube which leads from the uterus to the outside of the body. Is the Birth canal during labour. This is where the male penis is inserted during intercourse. (e). Cervix: A sphincter closing the lower end of the uterus where it joins the vagina. ...read more.


But there are also many disadvantages. b. The diagram below shows a transverse section through a penis: c. I. What is the name of the structure labeled A? Answer: Urethra ii. Give 2 functions of this structure Answer: 1. Controls passage of urine from the bladder to the outside of the body. 2. It is the passageway for semen to exit the body. iii. What is the function of the spongy tissue? iv. Why is this function important? Penis at erection is been filled with a hemal cavity sponge by 3, body constitute, these three sponge body cavities own a penis erection the function of the organization, and glans penis and urethra sponge body also provided a physical volume for erection, also giving penis sponge the erection of the body provided degree of hardness. d. What structure in the female are equivalent to these structures in the male: i. Testes Female: Ovaries. Because testes produce sperms and ovaries produce eggs. ii. sperm ducts Female: Oviduct. Because sperm ducts let sperms go through and oviduct let eggs go through. ...read more.


Answer: Cervix. ii) What is the name of this process? Answer: Fertilisation. 7. Textbook pg202 Question 22b B) The diagram shows part of the control system involved in the female reproductive cycle. i) What type of substance are FSH and oestrogen? Answer: Pituitary gland. ii) How dose FSH get from the pituitary gland to the ovary? Answer: Pituitary gland produces FSH and then it goes to ovary. 8. Textbook pg202 Question 23 23. The diagram shows the normal menstrual cycle of a woman. A) Where in the body are eggs produced? Answer: Ovaries. b) What happens on day 14 of this cycle? Answer: Ovulation. c) How do the eggs reach the uterus? Answer: Eggs pass through oviduct and then reach the uterus. d) On which four days of this cycle is the egg most likely to be fertilised? Answer: During 14-18 days. e)Male sperm can live in the female reproductive organs for up to seven days. Which is the earliest day in the cycle when sexual intercourse could produce a baby? Answer: The sixth day. f) Write down the name of the type of contraception which i) is most effective against the spread of AIDS. Answer: Use condoms. ii) stops eggs being produced Answer: Pills. ?? ?? ?? ?? ...read more.

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