Across
- 3. This muscle causes the tricuspid and bicuspid valves to open when it contracts.
- 6. This circuit brings carbon dioxide to the lungs.
- 9. These chambers of the heart pump blood out.
- 11. This is the valve on the right side of the heart.
- 13. These chambers of the heart receive blood that comes back to it.
- 14. These blood vessels carry blood away from the heart.
- 15. This atrium receives blood that returns from the body.
Down
- 1. This is the name of the blood vessels that bring blood from the lungs to the heart.
- 2. After blood passes through this valve, it is in the left ventricle.
- 4. These blood vessels take blood from the heart to the lungs.
- 5. This circuit brings oxygen to the body.
- 7. This is the first blood vessel blood will be in after being pumped out of the left ventricle.
- 8. These blood vessels return blood to the heart.
- 10. This atrium receives blood that returns from the lungs.
- 12. Gas enters/exits the blood in these blood vessels.