Cardiovascular
Across
- 1. the thinner innermost line of the heart chambers
- 4. one-way valve in the heart, located between the left atrium
- 6. blood vessels that carry blood away
- 7. a vital fluid carrying oxygen, nutrients, hormones, and waste
- 8. any of the fine branching blood vessels that form a network between the arterioles and venules.
- 9. the phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood.
- 11. the hearts powerful pumping chamber
- 12. abnormal heart rhythm where the heart beats
- 13. the chamber that carries deoxygenated blood
- 14. a heart valve located between the left ventricle and the aorta,
Down
- 2. system consisting of the heart,blood, and blood vessels
- 3. a vital protein in blood cells
- 5. a colorless cell that circulates in the blood
- 10. red blood cells