Across
- 4. Cava Which vein returns blood from the body
- 6. Which artery carries blood to the body
- 8. What is the name of the blood vessels that take blood away from the heart
- 9. What is the name of the lower chambers in the heart
Down
- 1. What is the main organ in the circulatory System
- 2. How many chambers does the heart have?
- 3. What stops the blood from flowing backwards
- 5. What are the top chambers called
- 7. What is the name of the blood vessels that return blood to the heart