The Heart

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