Human Body Systems

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Across
  1. 3. tube that connects the kidneys to the bladder.
  2. 5. carries oxygenated blood, except the pulmonary artery.
  3. 7. organ of the human body that stores urine.
  4. 8. vein carries deoxygenated blood from the kidneys.
  5. 10. another name for your voice box.
  6. 12. help in the clotting of blood
  7. 14. tube that carries urine out of the bladder.
  8. 16. the valve of the heart found between the left atrium and left ventricle
  9. 17. spongy organs that form the main part of the respiratory system.
Down
  1. 1. the waste substance produced in the liver by the breakdown of proteins.
  2. 2. main breathing tube that has c-shaped rings to keep it open.
  3. 4. carries deoxygenated blood, except the pulmonary vein.
  4. 6. another name for the air sacs in the lungs.
  5. 9. the largest artery in the body.
  6. 11. the tiny filtering tubes found in the kidney.
  7. 13. a flap that covers the trachea to prevent choking.
  8. 15. the main filtering organs in the human body.
  9. 16. liquid that carries gases and nutrients around the body