Across
- 3. pump out the blood to the body and lungs
- 5. carries blood from the heart to the circulatory system
- 8. tiny vessels where oxygen, CO2 and transfer nutrients between the bloodstream and cells
- 9. fills the blood returning to the heart from the body and lungs
- 11. small battery powered device that prevents the heart for beating too slowly
Down
- 1. a type of muscle tissue that forms in the heart
- 2. carries blood back to the heart
- 4. large vein that carries blood to the heart from other parts of the body
- 6. wall seperating the left and right side of the heart
- 7. carry oxygen-rich blood away from the heart
- 10. tricuspid, mitral, pulmonary, and aortic