Extra Credit Chapters 27, 28, and 29

Chapter 27 Extra Credit:

1. Contrast the percentage of water found in the bodies of infants, the elderly, men, and women.

2. Name the two major fluid compartments and the amount of water found in each.

3. List three sources of water gain and three sources of water loss.

4. Describe how dehydration causes an increase in water intake.

5. Differentiate between a strong and weak acid and a strong and weak base.

Chapter 28 Extra Credit:

6. What is a homologous pair of chromosomes?

7. Name at least five structures that the sperm pass through in order to leave the body.

8. Name the three accessory glands of the male reproductive system and an important function of each glands secretions.

9. What is the importance of the Sustentacular cells (Sertoli) cells?

10. Name and locate three important ligaments which support the ovary.

11. Name and describe the layers of the uterine wall.

12. List three secondary sex characteristics in females.

Chapter 29 Extra Credit:

13. Define sperm capacitation.

14. Describe gastrulation.

15. Use the Punnett square to determine the genotype and phenotype of a cross between a homozygous dominant female and a homozygous recessive male (you may chose whatever dominant trait you want, as long as it is real).

16. List all the possible genotypes for people who have A, B, AB, and O blood types.