Across
- 1. myx/o
- 3. vas/o
- 5. largest artery in the body
- 7. waste product that is exhaled
- 9. middle layer of the heart
- 10. prevents backflow in veins
- 12. sphygm/o
- 14. flow of blood through tissues to the heart and then back again
Down
- 2. smallest blood vessel
- 4. double-layered membrane around the heart
- 6. number of chambers of the heart
- 8. gas that enters the blood through the lungs
- 11. carry blood away from the heart
- 13. carry blood toward the heart