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