The Integumentary System

“Body coverings”

Parts of the system1. Skin2. Hair 3. Nails

Functions of the skin1. Protects- Keeps water in and foreign particles

out

2. Keeps you in touch with the outside world- nerves let you feel things around you

3. Regulates body temperature- sweat glands make sweat, which cools the body as it evaporates

4. Removes waste- Sweat removes chemical waste

Skin Injuries1. Skin cancer- damage to genetic

material

2. Acne- clogged hair follicles from oil and bacteria

3. Cuts- blood clots stop the bleeding, then bacteria fighting cells protect the area

Skin Drawing and Questions

1. Use page 17 to draw a section of the skin.

2. Label all of the structures that are listed.

3. The entire picture MUST be colored.

4. Answer the questions.