Across
- 2. the process of returning to a normal state.
- 4. the system relating to the heart and blood vessels.
- 7. the volume of blood pumped from one ventricle of the heart with each beat.
- 9. the only cardiac muscle.
- 10. the number of times the heart beats per minute.
- 13. the smallest blood vessel with a single cell wall.
- 16. red liquid that circulates in the blood vessels.
- 17. pair of organs situated in the rib cage
Down
- 1. where gaseous exchange occurs.
- 3. fatty substance carried in the blood by lipoproteins.
- 5. to breathe is to _ _ _ _ _ _ _.
- 6. the most amount of air that can be made to pass in and out of the lungs by the most forceful inspiration and expiration.
- 8. shortfall in the oxygen available to the body.
- 11. pressure of the blood during the relaxation phase between heart beats.
- 12. percentage of carbon dioxide expired.
- 14. the largest blood vessel, takes blood away from the heart.
- 15. maximum pressure in the arteries when the heart contracts.