1. The Integumentary System

2. Function of the Integumentary system
Its functions include protection of internal structures,
prevention of entry of disease-causing microorganisms, temperature regulation, excretion through perspiration, pigmentary protection against ultraviolet sunrays, and production of vitamin D.
The body stores about half its fat in the underlying hypodermis.

3. What is all included?
the skin and accessory structures, including hair, nails, and specialized nerve receptors.
for stimuli (changes in internal or external environment) such as touch, cold, heat, pain, and pressure.

4. Our skin Layers