Across
- 4. make it so the heart can pump blood
- 5. keep blood moving in the heart
- 6. carrys blood from other places to the heart
- 8. carry away from the heart
- 9. carry blood and oxygen to heart
Down
- 1. makes the air from your nose go to the back of it and to the lungs
- 2. nutrients get exanged for carbon dioxide and waste
- 3. tells the heart to beat when it is not beating how it is supposed to
- 5. pumps blood into circulatory system
- 7. recieves blood and pumps to a ventricle