Integumentary System Review

The integumentary system includes our skin, hair, nails, sweat and oil glands.

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What is the integumentary system?

1. to regulate body temperature

2. eliminate wastes

3. protect the body

4. gather information about the environment and

5. produces vitamin d.

The epidermis protects our bodies.

The Skin has layers. the outside layer of skin is called the epidermis.

Dermis

The dermis is located below the epidermis. It is thicker than the epidermis. This layer helps to protect your internal organs and keeps in body heat.

Subcutaneous Fat

Below the dermis is a layer of fat called subcutaneous fat. This layer is made up of primarily fat and helps to keep the body warm. This layer also absorbs shock, so if you bang into something it helps to protect your body from getting hurt.

Our skin is the LARGEST organ.

Hair is made up of protein, fat, and water. Hair grows from the follicles located in the subcutaneous fat layer.

There are THREE parts to a nail. The nail plate, nail bed, and cuticle. Nails help to protect the fingers and toes from injury, and help with the sense of touch.

The two glands are called the sweat and oil glands.

These glands are the last part of the integumentary system.

They help produce sweat to cool the body off, produce oil onto your hair to keep it soft, and produce wax to keep things from entering your ears.