Unit 7 .1 Flashcards
1
Q
Annotate a diagram of the generalized
structure of the skin
A
Epidermis
- Dermis
- Fat
- Glands
- Hair follicles
2
Q
Describe the functions of the skin
A
- Regulation of Body Temperature
Evaporative cooling:
- In hot weather, there is an increase in blood flow to the skin
- There is an increase in sweat production by the sweat glands
- Evaporation of sweat cools the skin which leads to a decrease in body temperature
Insulation happens via the subcutaneous fat layer - Protection and Immunity
- Protection of underlying tissues against impact, abrasion, fluid loss, and harmful
chemicals - Sensation
- Detection of touch, pressure, pain and temperature stimuli through nerve endings
and receptors in the skin - Excretion
- Excretion of salts, water, and organic waste are released - Synthesis of Vitamin D
- When exposed to sunlight epidermal cells produce vitamin D
- Vitamin D is important in the absorption of calcium which promotes bone growth
and muscle contraction