7.1 The Skin

Question 1

annotate a generalized structure of the skin

Answer 1

Limit to:

epidermis

• dermis
• fat,
• glands (Sebaceous/Oil, Sweat)
• hair follicles.

Question 2

What are the function of the skin?

Answer 2

regulation of body temperature
• protection and immunity
• sensation
• excretion
• synthesis of vitamin D.

Question 3

How does skin regulate body temperature?

Answer 3

Peripheral Vasodilation - in warm weather

Sweating - in warm weather

Peripheral Vasoconstriction - in cold weather

Goosebumps - in cold weather

Question 4

Which reduces the rate of heat loss through the skin?

A. Sweating

B. Vasodilation

C. Body hairs lie flat

D. Vasoconstriction

Answer 4

D.

Vasoconstriction