Body systems daphne
Across
- 4. carbon dioxide is removed and oxygen enters the blood through here
- 5. one of the jobs of the endocrine system
- 6. muscles that contract when you straighten your arm
- 10. the system that supplies your body with oxygen
- 11. most food gets broken down here
- 15. messages are send there
- 16. chemicals send out by the endocrine glands
- 18. the system that allows you to move
- 19. ligaments in a joint that are overstretched or twisted
Down
- 1. the main organ of the circulatory system
- 2. send and receive information from the brain
- 3. the master gland
- 7. the bottom two chambers of the heart
- 8. the process of food getting broken down
- 9. tiny connecting blood vessels
- 12. the system that works together with the muscles to help you stand upright
- 13. blood carries this around your body
- 14. a fluid that softens food to break it down easier
- 17. muscles found on the inside of your heart
- 18. a tissue in a bone