Body Systems

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Across
  1. 4. Name for the vena cava that comes from the top half of the body
  2. 5. Smallest blood vessel. Only one cell thick
  3. 6. Part of the circulatory system. Pumps blood
  4. 7. The bottom camber in the heart
  5. 9. Carries blood to the lungs
  6. 12. Part of the digestive system
  7. 14. Bring in oxygen and exchange carbon dioxide. Part of the respiratory and excretory systems
  8. 15. Name of the major vein that returns blood to the heart
  9. 18. Name for blood vessels that carry blood to the heart
Down
  1. 1. Name for the vena cava that comes from the bottom half of the body
  2. 2. Major artery that carries blood away from the heart
  3. 3. Name for blood vessels that carry blood away from the heart
  4. 4. Longest part of the digestive system
  5. 8. Name for the wind pipe after it branches off towards the left and right lung
  6. 9. Carries blood from the lungs back to the heart
  7. 10. Tiny air sac in the lungs
  8. 11. Filter blood and create urine. Part of the excretory system
  9. 13. Holds urine before it is excreted
  10. 16. The top chamber in the heart
  11. 17. Excretes sweat as part of the excretory system