Q1. Explain the location and action of arrector pili muscles.
Q2. Which glands of the skin are responsible for cooling the body? Where are they located? Which glands are involved with producing body odor? Where are they located?
Q3. Name the parts of a nail. Which part produces most of the nail? What is the lunula?
Q4. What makes a nail hard? Do nails have growth stages?
Q5. In what ways does the skin provide protection?
Q6. What kinds of sensory receptors are in the skin, and why are they important?
Q7. How does the skin help regulate body temperature?
Q8. Name the locations where cholecalciferol is produced and then modified into vitamin D. What are the functions of vitamin D?
Q9. What substances are excreted in sweat? Is the skin an important site of excretion?
Q10. Compared with young skin, why is aged skin more likely to be damaged, wrinkled, and dry?