Skin

Question 1

What are the 7 functions of skin

Answer 1

1. protection(resists abrasion/penetration; blocks entry of foreign material)
2. containment(prevents body loss of fluids)
3. thermoregulation(controls transfer of heat across body surface and facilitates heat retention or dissipation)
4. communication(releases visuals/pheromonal signals)
5. immunological defense
6. sensory ability
7. appendages(hair, nails, sebaceous glands, sweat glands)

Question 2

How do you know you’re in the hypodermis when looking at a microscope

Answer 2

• if you don’t see anything
• shadows
• this is due to lots of fat cells in the area that are removed during the dehydration process (thanks to ethanol)