Across
- 3. largest organ of the body
- 5. cools down the body
- 6. system that the skin is a part of (along with the excretory system)
- 8. outer layer of the skin
- 9. muscles must work in _________
Down
- 1. skeletal muscles are ____________ so the brain must tell them to move
- 2. help the body move and be balanced
- 3. we __________ dead skin cells
- 4. inner layer of skin that has hair, sweat and oils
- 7. attach the skeletal muscles to bones