Across
- 1. this system transports oxygen and nutrients around the body
- 3. Cells working together form this material such as muscle and connective
- 5. this system controls the body response to stimuli
- 8. the nervous or endocrine system send signals to perform _____
- 10. this system removes waste products from the body
- 12. this system grows hair and nails
- 14. a change in the environment
- 15. this system breaks down food into nutrients
- 16. The lowest level of organization
- 17. this system supports and protects the body
- 18. how the body reacts to a change
- 19. the chemical released by the endocrine system
Down
- 2. this system brings in oxygen to the body through the nose and stores in lungs
- 4. the maintaining of internal balance
- 6. organs working together to complete functions
- 7. this system controls growth and development
- 9. the body will transport ____ around the body to produce energy
- 11. this system allows movement
- 12. this system fights infections, bacteria and viruses
- 13. the brain sends signals to muscles to allow this function
- 20. body structures composed of tissue like the heart and brain