Across
- 2. Flaps of tissue
- 5. transports oxygen and nutrients
- 6. 2 lower chambers of the heart
- 7. largest artery
- 10. A blood vessel that carries oxygen-rich blood
- 11. upper chambers of heart
- 12. The organ that pumps blood
- 14. tiny cells that help the blood clot
Down
- 1. connect veins and arteries
- 3. when a blood clot or other blockage
- 4. watery part of the blood
- 8. needed by all cells
- 9. when part of the brain doesn't get blood
- 13. carry blood toward the heart