Skin Structure and Function

Question 1

What are the 3 functions of the skin?

Answer 1

Protection (physical and immunological)
- Mechanical impacts
- Pressure
- Variations in temperature
- Micro-organisms
- Radiation/chemicals

Physiological regulation
- Body temperature via sweat and hair
- Changes in peripheral circulation
- Fluid balance via sweat (minor role)
- Synthesis of Vitamin D

Sensation
- Network of nerve cells that detect and relay changes in the environment (heat, cold, touch and pain)

Question 2

Describe the structure of the skin (simple)

Answer 2

1. Epidermis
2. Dermis
3. Subcutaneous