Across
- 4. abnormality in rhythm of heart
- 7. cancers of blood cells
- 8. one of two large chambers at the base of the heart
- 9. necessary to rid the body of carbon dioxide
- 10. supplies blood to the heart muscle
- 12. fist-sized muscular organ, necessary for life
- 13. collects oxygenated blood from lungs and carries back to heart
- 16. the smallest unit of life
Down
- 1. condition in which an individual lacks adequate blood red cells
- 2. natural pacemaker of heart
- 3. carry blood away from the heart
- 5. disease that involves plaque build-up in artery wall
- 6. constantly circulating fluid in the body
- 11. carry blood to the heart
- 14. upper chamber though which blood enters the heart
- 15. fluid that carries blood components in one’s body