Final answer:
The integumentary system consists of the skin, hair, and nails. It serves important functions such as protection, sensing the environment, and maintaining homeostasis.
Step-by-step explanation:
The integumentary system consists of the skin, hair, and nails. These organs work together to provide a protective covering for the body, sense the environment, and help maintain homeostasis.
For example, sweat glands in the skin produce sweat to cool the body when it gets overheated. Additionally, the sebaceous glands produce sebum, a natural moisturizer that keeps the skin healthy.