Across
- 4. moves food through your digestive system
- 7. pumps blood around your body
- 9. the layer of skin below the epidermis
- 10. helps make your skin tough
- 11. the maintenance of a stable internal environment in the body
- 13. helps your heart and lungs
Down
- 1. joints are held by this strong elastic bands of connective tissue
- 2. keeps minerals and fat in your body
- 3. when body temperature falls from its normal temperature
- 5. enables bones to move
- 6. the surface layer of cells on a plant or animal
- 8. skin is determined by this chemical
- 12. a place where two or more bones meet
- 14. what is formed from cells