1. Human Reproduction
Created by Educational Technology Network

2. Human Repro1
Human Repro2
Human Repro3
Human Repro4
Human Repro5 10 20 30 40 50

3. Human Repro
The diagram below represents the human male reproductive system.
Which activity would be prevented by blockages of X and Y?
Transport of urine out of the body
Passage of testosterone to the female to stimulate egg production
Movement of sperm out of the body
Movement of testosterone to the testes to stimulate sperm production X Y

4. Human Repro Answer 1 – 10
Movement of sperm out of the body

5. Human Repro
The diagram below represents a system in the human body
The primary function of structure A is to
Produce energy needed for sperm to move
Provide food for the sperm to carry to the egg
Produce and store urine
Form gametes that may be involved in fertilization

6. Human Repro Answer 1 – 20
Form gametes that may be involved in fertilization

7. Human Repro
Which structure has both reproductive and excretory functions?
A C
B D

8. Human Repro Answer 1 – 30
D. - urethra

9. Human Repro Question
Which statement describes the reproductive system of a human male?
It releases sperm that an be used only in external fertilization
It synthesizes progesterone that regulates sperm formation
It produces gametes that transport food for embryo formation
It shares some structures with the excretory system

10. Human Repro Answer 1 – 40
It shares some structures with the excretory system

11. Human Repro
Which reproductive structure is correctly paired with its function?
Uterus – usual site of fertilization
Testis – usual location for egg development
Ovary – delivers nutrients for the embryo
It shares some structures with the excretory system

12. Human Repro Answer 1 – 50
It shares some structures with the excretory system

13. Human Repro Question 2 - 10 Testes are adapted to produce
Body cells involved in embryo formation
Immature gametes that undergo mitosis
Sperm cells that may be involved in fertilization
Gametes with large food supplies that nourish a developing embryo

14. Human Repro Answer 2 – 10
Sperm cells that may be involved in fertilization

15. Human Repro
Regulation of sexual reproductive cycles of human males is related most directly to the presence of the hormone
Estrogen
Progesterone
Testosterone
Insulin

16. Human Repro Answer 2 – 20
Testosterone

17. Human Repro
The diagram below represents part of a human reproductive system
One of the functions of this part of the system is to
Supply essential nutrients to the offspring in the form of milk
Provide nutritional support for the embryo
Provide a structure that allows the mixing of maternal and fetal blood
Produce specialized proteins used in the production and release of sperm

18. Human Repro Answer 2 – 30
Provide nutritional support for the embryo

19. Human Repro
In most mammals, the placenta is essential to the embryo for the processes of
Meiosis and excretion
Nutrition and excretion
Milk production and digestion
Blood exchange and digestion

20. Human Repro Answer 2 – 40
Nutrition and excretion

21. Human Repro Question
The human female reproductive system is represented in the diagram below
Production of gametes and support of the fetus normally occur in structures
1. 1 and and 5
2. 2 and and 5 4 3 5 2 1

22. Human Repro Answer 2 – 50
3. 3 and 5 3 5

23. Human Repro Question
The human female reproductive system is adapted for
Production of zygotes in ovaries
External fertilization of gametes
Production of milk for a developing embryo
Transport of oxygen through a placenta to a fetus

24. Human Repro Answer 3 – 10
Transport of oxygen through a placenta to a fetus

25. Question 3 - 20 The human reproductive system is regulated by
Restriction enzymes
Antigens
Complex carbohydrates
Hormones

26. Human Repro Answer 3 – 20
Hormones

27. Question
In which part of this system does a fetus usually develop? 1. A 3. C 2. B 4. D A D B C

28. Answer 3 – 30
4. D D

29. Question 3 - 40 One function of the placenta in a human is to
Surround the embryo and protect it from shock
Allow for mixing of maternal blood with fetal blood
Act as the heart of the fetus, pumping blood until the fetus is born
Permit passage of nutrients and oxygen from the mother to the fetus

30. Human Repro Answer 3 – 40
Permit passage of nutrients and oxygen from the mother to the fetus

31. Human Repro Question
Which structure is correctly paired with its function?
Testis – produces nutrients for the offspring
Placenta – allows nutrients to diffuse from the mother to the embryo
Uterus – produces testosterone used in egg production
Ovary – provides a place for the internal development of the embryo

32. Human Repro 3 – 50
Placenta – allows nutrients to diffuse from the mother to the embryo

33. Human Repro Question
As women age, their reproductive cycles stop due to decreased
Digestive enzyme production
Production of ATP
Levels of specific hormones
Heart rate

34. Human Repro Answer 4 – 10
Levels of specific hormones

35. Human Repro
Some chemical interactions in a human are show in the graph below
This graph represents hormones and events in the
Process of fetal growth and development
Process of meiotic cell division during sperm development
Reproductive cycle of males
Reproductive cycle of females

36. Answer 4 – 20
Reproductive cycle of females

37. Human Repro Question
A large number of sperm cells are produced by males every day. This large number of sperm cells increases the chance that
At least 1 sperm cell will be reached when the eggs swim toward the sperm cells in the ovary
Several sperm cells will unit with an egg so the fertilized egg will develop properly
Some of the sperm cells will survive to reach the egg
Enough sperm cells will be present to transport the egg from where it is produced to where it develops into a fetus

38. Human Repro Answer 4 – 30
Some of the sperm cells will survive to reach the egg

39. Human Repro Question
Which diagram best illustrates an event in sexual reproduction that would most directly lead to the formation of a human embryo?
...

40. Human Repro Answer 4 – 40 4.

41. Human Repro
Which statement about the gametes represented in the diagram below is correct?
They are produced by females
They are fertilized in an ovary
They transport genetic material
They are produced by mitosis

42. Human Repro Answer 4 – 50
They transport genetic material

43. Human Repro Question
Identify one activity of a mother that can disrupt fetal development and explain how this activity might affect the development of the fetus.

44. Answer 5 – 10
Having x rays can result in defects in the genes of the fetus
Smoking may cause low birth rate

45. Human Repro
In humans, a sperm cell and an egg cell normally fuse in the upper portion of the
Cervix
Vagina
Oviduct

46. Human Repro Answer 5 – 20
Oviduct

47. Human Repro Question
Which statement about the gametes represented in the diagram below is correct?
They are produced by females
They are fertilized in an ovary
They transport genetic information
They are produced by mitosis

48. Human Repro Answer 5 – 30
They transport genetic information

49. Human Repro Question
In humans, a sperm cell and an egg cell normally fuse in the upper portion of the
Cervix
Vagina
Oviduct
Ovary

50. Human Repro Answer 5 – 40
Oviduct

51. Human Repro Question
Identify one activity of a mother that can disrupt fetal development and explain how this activity might affect the development of the fetus.

52. Human Repro Answer 5 – 50
Having x rays can result in defects in the genes of the fetus
Smoking may cause low birth rate