what organs are in the integumentary system
Advertisement. Skin, which is the largest organ of the body is the main organ of the integumentary system as well. Other than the skin, the nails, hair, scales, and feathers which are extensions of the skin, are also sometimes studied as integumentary system organs. All these structures together provide protection to the inner tissues of the body. Let us learn about their various functions in detail. Integumentary System Functions.