Across
- 2. Universal blood recipients
- 4. Period between the start of one heart beat and beginning of the next
- 6. Carry blood away from the heart
- 7. Thin outer layer
- 9. Pressure of blood within arteries
- 11. Functions to clot blood
- 13. The receiving chambers
- 14. Universal blood donor
Down
- 1. Carry blood to the heart
- 3. Smooth, thin, membrane lining
- 5. Indicates number of heart beats per minute
- 8. The heart muscle itself
- 10. Divides the heart
- 12. Controls blood flow