Across
- 1. what type of signals does muscle movement produce
- 3. a network of tiny blood vessels
- 5. gets rid of the bodies waste
- 6. keeps body fluids in balance and fights infections
- 9. breaks down food and turns it into energy
- 12. they send signals to other cells
- 13. the skin and appendages
- 16. carries blood around the body
- 18. where is the cardiac muscle found
- 19. how many pairs of ribs are there
- 21. controls the body through the use of electrical signals
- 22. the main artery of the body
Down
- 2. how many types of muscle tissue are there
- 4. the respiratory system allows you to be able to
- 7. abnormal discharges from brain cells that cause seizures
- 8. system of organs involved in producing offspring
- 10. supports the body and enables movement with help from the muscular system
- 11. passage connecting your throat and lungs
- 14. communicates with the body using chemicals and hormones
- 15. organs that remove oxygen and pass it to your blood
- 17. carries air into the body
- 20. enables all the movement of the body