circulatory system

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Across
  1. 3. The pump in the circulatory system.
  2. 5. The liquid in the circulatory system.
  3. 6. The heart, blood, and vessels.
  4. 10. The heart ___________ blood.
  5. 11. The largest artery in the body.
  6. 12. A gas that is transported in arteries from the lungs to the rest of the body via the heart.
  7. 13. A vessel that moves blood away from the heart.
Down
  1. 1. A waste gas that is transported in veins from the body to the lungs via the heart.
  2. 2. A vessel that moves blood to the heart.
  3. 4. The place where oxygen enters the blood and carbon dioxide leaves the blood.
  4. 6. A small vessel that connects veins and arteries.
  5. 7. The place where nutrients enter the blood.
  6. 8. The circulatory system ___________ nutrients, gases, liquids, and heat around the body.
  7. 9. Blood in arteries is ____________ red because it is rich in oxygen.