Melea,+Carmen

1. What are the main functions of the skin?
 * protection against disease
 * sensory response
 * formation of vitamin D
 * maintaining body temperature
 * waste exchange

2. What are the three main layers of the skin?
 * Epidermis
 * Dermis
 * Hypodermis

3. Name three functions of the epidermis
 * 1) Mitosis
 * 2) Waterproofing
 * 3) Protection

3. Name three functions of the epidermis
 * 1) Stratum Basale
 * 2) Intermediate Strata
 * 3) Stratum Lucidum
 * 4) Stratum Corneum

5. Match the terms in the two columns below as best applicable based on their relation

a. Stratum corneum 1. Protects skin cells from UV rays b. Stratum basale 2. Yellow skin c. Stratum lucidum 3. Layers of keratinized, flat, dead cells d. Vitamin D 4. Protein that makes cells water-proof e. Cyanosis 5. Mitosis of epidermal cells happens here f. Carotene 6. Blue skin due to poor oxygen g. Melanocyte 7. Only present in palms of hands and soles of feet h. Melanin 8. Essential for Ca absorption by bones i. Keratin 9. Cells that make melanin

a.) 3 b.) 5 c.) 7 d.) 8 e.) 6 f.) 2 g.) 9 h.) 1 i.) 4