Across
- 4. Returns blood to the heart.
- 5. The name of the largest artery in the body is known as.
- 6. What is pumped through the body to deliver food and oxygen while removing waste.
- 7. What is known as the upper chamber of the heart.
- 8. Oxygen carriers in the blood are called.
- 9. The valve between the left atrium and the left ventricle.
- 10. What is the size of your heart.
- 11. Classified as a muscle that pumps the blood is called.
Down
- 1. The artery that brings blood to the brain.
- 2. Tiny vessels between the smallest arteries and veins.
- 3. The valve between the left ventricle and the aorta.
- 4. Controls the flow of the blood through the heart.
