Circulatory system

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Across
  1. 2. vena cava Returns blood from the upper body
  2. 6. Sends blood from the lungs to the heart
  3. 7. Carries blood to the heart
  4. 9. carries blood away from the heart
Down
  1. 1. Sends blood to the rest of the body and back to the heart
  2. 3. Organ that pumps blood through a network of arteries, veins, and capillaries
  3. 4. Controls the flow of blood
  4. 5. Tiny blood vessels that connect arteries and veins
  5. 8. vena cava Returns blood from the lower body
  6. 9. Main artery of the heart