1. Is a bald man really hairless? Explain. Explain why thin skin is also called hairy skin, and why thick skin is also called hairless skin. (Note their locations.) 2. Distinguish first-, second-,...

1. Is a bald man really hairless? Explain. Explain why thin skin is also called hairy skin, and why thick skin is also called hairless skin. (Note their locations.)

2. Distinguish first-, second-, and third-degree burns. Why does skin that is exposed to sunlight age so much more than nonexposed skin?

3. Where are the melanocytes located? How do they help to prevent cancer?