1. THE SKIN SHIELDS THE BODY AGAINST _______.

A. HEAT
B. LIGHT
C. INJURY
D. ALL OF THE ABOVE

2. IF THE BODY TEMPERATURE BEGINS TO DECLINE,

A. THE BODY MAY BEGIN TO HEAT UP BY INCREASING THE BODY'S METABOLIC RATE AND CAUSE THE MUSCLES TO SHIVER.

B. THE BODY MAY BEGIN TO CALL DOWN BY DECREASING THE BODY'S METABOLIC RATE AND CAUSE THE MUSCLES TO SHIVER.

C. THE BODY MAY BEGIN TO HEAT UP BY INCREASING THE BODY'S METABOLIC RATE AND CAUSE THE MUSCLES TO SWEAT TOO MUCH.

D. THE BODY MAY BEGIN TO HEAT UP, DECREASING THE BODY'S METABOLIC RATE AND CAUSE THE MUSCLES TO SHIVER.

3. ______ FORM THE SECOND BARRIER: PROTECTION AGAINST THE ADVERSE EFFECTS OF UV RADIATION.

A. MELANOCYTES
B. KERATIN
C. LUNULA
D. NONE OF THE ABOVE

4. WHAT PART OF THE SKIN HAIR FOLLICLE OCCURS?

A. DERMIS
B. EPIDERMIS
C. HYPODERMIS
D. SUBCUTANEOUS

5. WHICH IS NOT A FUNCTION OF THE SKIN?

A. PROTECTS AGAINST MECHANICAL INJURY

B. PROTECTS AGAINST FOREIGN INVADERS

C. REGULATES BODY HEAT

D. ALL OF THE ABOVE​