Circulatory System
Across
- 2. protects body from bacteria
- 8. the main vessel through which oxygen-rich blood travels from the heart to the rest of the body
- 9. hold oxygen
- 10. vessels pump blood away from the heart
- 11. blood thickeners
- 12. vessels to that pump blood to the heart
Down
- 1. the system that is responsible for circulating blood through the body
- 3. tubes which blood travels through
- 4. pumps blood to the whole body and lungs
- 5. tiny blood vessels
- 6. scientific term for lungs
- 7. made up of red blood, white blood, and platelets