Across
- 2. number of times heart beats per minute
- 5. valve between left atrium and ventricle
- 7. sends blood from heart to lungs
- 8. valve between right atrium and ventricle
- 9. carries blood away from the heart
- 11. brings back oxygenated blood from lungs
- 12. carries blood towards the heart
- 13. sends blood to the whole body
Down
- 1. smallest type of blood vessel
- 3. lower chambers of the heart
- 4. upper chambers of the heart
- 6. amount of blood leaving the heart per beat
- 10. superior and inferior