Download Unit 2 Revision Higher Human Biology

Unit 2 Revision Higher Human Biology
1. Name the gonadotrophic hormones in a male and state their effect.
2. What is produced at the seminiferous tubules and the interstitial cells?
3. Name the 2 glands involved in semen production, state what it is made up of and
their functions.
4. How does testosterone self regulate its level?
5. Name the gonadotrophic hormones in women.
6. What is the effect of FSH?
7. What ovarian hormone does the graafian follicle produce and name 2 effects of the
hormone.
8. What is ovulation and when does it occur?
9. What happens to the graafian follicle after ovulation and what ovarian hormone is
produced ands what is that hormone effect?
10. What is the difference between continuous and cyclical fertility?
11. Describe the rhythm method of contraception.
12. State 3 causes of infertility and give a way it can be treated.
13. Explain the difference between In Vitro Fertilisation (IVF) and artificial insemination
14. What do the terms cleavage and differentiation mean?
15. Explain the difference between the formation of monozygotic and di-zygotic twins
16. Name a substance that moves across the placenta by diffusion, active transport and
pinocytosis.
17. Name a substance that can move through the placenta that can have a negative
effect and state the effect
18. Explain how the rhesus factor can kill a baby
19. State how progesterone, oestrogen, prolactin and oxytocin are involved in feeding a
newborn baby?
20. Name the first milk and why is it important?
21. Name the growth hormone and where it is released from.
22. What is dwarfism, giantism and acromegaly
23. State the name and function of the 5 types of blood vessels in the body
24. Explain the difference between plasma, tissue fluid and lymph.
25. How does tissue fluid return to the blood.
26. Name the blood vessels that carry blood to and from the lungs, head, liver and
kidneys.
27. Draw a labelled diagram of the heart including blood vessels and heart valves
28. Describe the following diseases: heart attack, atherosclerosis, angina, thrombosis.
29. Describe the cardiac cycle in terms of systole and diastole.
30. What role do the SA node and AV node have in the beating of the heart.
31. What happens to blood pressure as blood moves away from the heart and why?
32. Name 3 functions of the lymphatic system.
33. Describe the shape of an oxygen dissociation curve, explain the effect of temperature
and foetal haemoglobin
34. RBCs, how long do they live, where are they made, where do they get destroyed,
why are they suited to their job?
35. What is the role of the small intestine? Why is it good at its job?
36. Where are bile salts made and stored? What is their role in the digestion of fats?
37. State the role of the liver if there is too much or too little blood glucose.
38. State the role of the liver if there is excess amino acids.
39. What is bilirubin, where does it come from and where does it go?
40. Describe a journey through the kidneys. What sights will you see?
41. What is the role of ADH in osmoregulation?
42. What is negative feedback?
43. How does the body respond to changes in temperature?
44. How does breathing change during exercise and why?
45. How does breathing change during exercise and why?
46. Why are babies and old people more likely to suffer from hypothermia?