Across
- 5. Vein that returns blood to the right atrium of the heart from the top of the body.
- 6. Prevents the backflow of blood from the aorta into the left ventricle
- 8. These return blood to the heart from the lungs.
- 10. A chamber of the heart. Has a thick muscular wall.
- 11. Largest artery in the body. Starts after the left ventricle.
Down
- 1. Prevents the backflow of blood into the right ventricle.
- 2. Sac containing the heart
- 3. Atrioventricular valve.
- 4. Carries deoxygenated blood from the right ventricle to the lungs.
- 7. Name for a chamber of the heart, where blood enters.
- 9. Name for a chamber of the heart from which blood leaves the heart.