2.      Explain the processes that guide the egg through the uterine tubes. 

3.      List the two types of gametogenesis, and state where they occur. 

4.      Describe two similarities and two differences between spermatogenesis and oogenesis. 

5.      Explain the relationship, and differences, between a spermatid and a sperm. 

6.      How long is the ovarian cycle and what are the key events of the cycle? 

7.      List the secondary sexual characteristics of males and females. 

8.      How is the ovarian cycle stopped when pregnant?

9.      Explain why a large number of sperm are needed for the fertilisation of one ovum. 

10.   List and explain each of the three primary germ layers.

11.   Define zygote.

12.   Draw a labelled diagram of a blastocyst. 

13.   List they key features of stem cells. 

14.   List the functions of the amniotic fluid. 

15.   Women who are trying to get pregnant are often prescribed progesterone to take after ovulation. Explain why this may increase the chances of pregnancy. 

16.   Use a flow chart to summarise the birth process. 

17.   Describe the three roles of testosterone in male development and the male reproductive system. 

18.   Name and describe the process by which mature sperm are formed. 

19.   Describe the role of FSH and LH in sperm production. 

20.   Name and describe the process by which mature ova form.

21.   Explain why males can be potentially fertile all their life, while female fertility decreases and eventually ceases with age. 

22.   Briefly explain the role of negative feedback in the control of hormone levels in the menstrual cycle. 

23.   Describe the basic structure of the human placenta.

24.   Why are substances ingested by the mother have the potential to be harmful to the foetus. 

25.   What are the 5 stages of fertilization?