Across
- 1. Irregular or abnormal rhythm, usually referring to the heart rhythm
- 3. The process of providing or combining or treating with oxygen
- 4. Gas exchange occurs at lung capillary beds
- 6. Pertaining to the heart and blood vessels
- 7. Fluid that circulates through the vessels in the body to carry substances to all body parts
- 10. Connect arterioles with venules, the smallest veins
- 12. Blood that has a low level of carbon dioxide
- 13. Largest arteryin the body it carries blood away from the heart
- 14. Tubes through which blood is pumped around the body
- 15. Blood vessel that carriers blood back to the heart
Down
- 2. Carry blood away from the heart
- 5. The main blood vessel that supple oxygen and nutrient to the heart muscle
- 8. The heart is a muscular hollow organ often called the "pump" of the body
- 9. Pertaining the whole body
- 11. The iron containing protein of the red blood cells serves to carry oxygen from the lungs to the tissues