Across
- 5. – Main organ that pumps blood throughout the body
- 7. – The body’s largest artery
- 10. – Movement of blood from the heart to the lungs and back
- 11. – Vessel that carries deoxygenated blood from the heart to the lungs
- 12. – Large vein that brings blood from the upper body to the heart
- 13. – Blood vessels that carry oxygen-rich blood away from the heart
- 14. – Tiny blood vessels where oxygen and carbon dioxide are exchanged
- 15. – Blood vessels that return blood to the heart
Down
- 1. – Large vein that brings blood from the lower body to the heart
- 2. – Blood flow that supplies the heart muscle itself
- 3. – Blood flow from the heart to the rest of the body and back
- 4. – Lower chamber of the heart that pumps blood out
- 6. – Vessel that brings oxygenated blood from the lungs to the heart
- 8. – The rhythmic throbbing of arteries as blood is pushed through
- 9. – Flap in the heart or veins that prevents backflow of blood