Body Systems

4. What type of signals do the muscle movement produce?
6. the _____ gives a command to the cell.
7. How many types of muscle tissue are there?
9. The main artery of the body.
12. Glial cels were based off of the Greek word for _____.
15. some abnormal electrical discharges from brain cells that cause seizures.
18. the cervical nerves are in what half of your body?
19. How many pairs of ribs are there?
20. what is the first heartbeat phase called?
21. To keep your respiratory system safe, you shouldn’t _____.
22. the heart sends _____ throughout out bodies.

1. the respiratory system allows you to be able to talk and _____.
2. passage connecting your throat and lungs.
3. when there is bleeding in the brain or brain flow is blocked.
5. a network of tiny blood vessels.
8. a small U shaped bone.
10. they send signals to other cells.
11. The only voluntary muscle tissue in the whole body.
13. two organs that remove oxygen from your lungs and pass it to your blood.
14. where is the cardiac muscle found?
16. how many vertebrae does the cervical have?
17. Where is the skull located?