Across
- 2. contracted part of the heartbeat
- 5. membrane that surrounds the heart
- 7. relaxed part of heartbeat
- 9. a very small vein
- 12. acts like a door and opens and closes so that blood only travels one direction.
- 13. disease of the heart
- 14. an instrument used to listen to sounds in the body such as the heart and lungs
- 15. the heart has 2 of these upper chambers (right and left)
Down
- 1. someone who is trained to collect blood samples for testing
- 3. the heart has 2 of these lower chambers (right and left)
- 4. biggest blood vessel that carries blood from the heart to everywhere in the body
- 6. the gas breathed into the lungs that is then passed into the blood where it goes to all the body
- 8. hardening in fatty yellow substance on the walls of arteries
- 10. a lack of oxygen in the blood results in a bluish skin discoloration
- 11. instrument used to measure blood pressure