What is the main function of the integumentary system?

The integumentary system consists of the skin, hair, nails, glands, and nerves. Its main function is to act as a barrier to protect the body from the outside world. It also functions to retain body fluids, protect against disease, eliminate waste products, and regulate body temperature. read more

The skin, a major component of the integumentary system, is the body's largest organ. One of the chief functions of the integumentary system is protection. The skin protects sensitive internal structures from damage and from sudden temperature changes. read more