PHGY 214 Lecture Notes - Lecture 18: Capillary, Vitamin A, Melanin
Document Summary
It covers your internal organ and the skeleton. The skin is the largest out of all the organs in a human body, stretching to about 2 meters squared. The skin itself is not one layer but is made of many layers. The layers include epidermis (waterproof and not living), dermis (hair forms from this area, sweat too), and. The functions of the skin are to protect your bones, internal organs, and muscles. Another function is to protect you from diseases. The outer layer, epidermis, is about 1. 5 mm thick. Most of the dust found in your home is dead skin. The rhinoceros" skin is about 1. 5cm to 5cm thick, that being said, skin differs depending on the specie. If the skin is damaged too much, a scar will appear. Even though this is better than it not healing, it doesn"t get as much sweat glands and hair as the actual skin. The skin takes up about 15% your weight.
