Functions of the Skin

Question 1

1. Protect

Answer 1

protect from:

• mechanical damage ( injury)
• chemical damage ( acids, bases)
• bacterial damage
• UV radiation
• thermal damage
• drying out

Question 2

2. Temperature Regulation

Answer 2

• rich blood supply: allows heat to surface to radiate away

- sweat: evaporative cooling of body

Question 3

3. Excretion

Answer 3

• urea, salt, and water

Question 4

4. Production of Protein

Answer 4

vitamin D

Question 5

4. Sensory Receptors

Answer 5

• touch, pressure

- pain, temperature