Across
- 2. The ________ valve prevents backflow of blood from the left ventricle to the left atrium.
- 7. The lower chambers of the heart.
- 9. Our main artery which carries oxygenated blood to all parts of the body.
- 10. The heart has ________ chambers.
Down
- 1. The ________ artery is connected to the right ventricle and carries deoxygenated blood to the lungs.
- 3. The _________ prevents backflow of blood from the right ventricle to the right atrium.
- 4. The upper chambers of the heart.
- 5. A thin muscular wall that separates the right side and left sides of the heart.
- 6. Connected to the right atrium and brings deoxygenated blood back from tissues of the body.
- 8. The pulmonary vein is connected to the ________ atrium and brings oxygenated blood back from the lungs.