• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Reproductive systems- Biology homework

Extracts from this document...


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.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our International Baccalaureate Biology section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related International Baccalaureate Biology essays

  1. In-vitro fertilisation

    This helps human to proliferate... The rate of In vitro fertilization which has been succeeded is 20%-25%, which means two of ten parents who have In vitro fertilization, will be succeeded. Let look through the numbers, Did you find something strange?

  2. IVF reproductive technology

    Christians believe that life begins at contraception. IVF treatment doesn't involve sexual intercourse so Christians believe that IVF abuses the sanctity of life. Catholics believe that just because science allows us now to reproduce through unnatural means, doesn't mean we should.

  1. Duchenne Muscular Dystrophy

    Newton's first law and second law of motion are applied to the mechanics of a wheelchair. Newton's first law states that every object in a state of motion will stay in motion, unless acted upon by an external force. This is applied to the wheelchair by introducing mechanics to the

  2. Sleep is a normal part of human life. Investigate the neurobiological basis of normal ...

    Although its function remains somewhat unclear, research is providing a great deal of information about what happens in the brain and body during sleep and how the body regulates sleep. Misconceptions about sleep 1. Misconception 1: Sleep is time for the body in general and the brain specifically to shut down for rest.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work