What are some10 facts about the integumentary system?

Here are 10 fact about the integumentary system:

1. The integumentary system consists of the skin, hair, nails, and sweat glands.
2. The skin is the largest organ in the human body, accounting for about 15% of total body weight.
3. The skin is made up of three layers: the epidermis, dermis, and hypodermis.
4. The epidermis is the outermost layer of the skin and is made up of keratinized cells that protect the body from the environment.
5. The dermis is the middle layer of the skin and is made up of connective tissue, blood vessels, and nerves.
6. The hypodermis is the innermost layer of the skin and is made up of fat cells that insulate the body and provide cushioning.
7. Hair is a thread-like structure that grows out of the skin. It is made up of keratin, a protein that is also found in nails and the outer layer of the skin.
8. Nails are hard, protective structures that grow at the ends of the fingers and toes. They are also made up of keratin.
9. Sweat glands are small glands located in the skin that secrete sweat. Sweat helps to regulate body temperature and excrete waste products.
10. The integumentary system plays a number of important roles in the body, including protection, thermoregulation, sensation, and excretion.