BODY SYSTEMS

12345678910111213141516
Across
  1. 1. A tube made up of rings of cartilage
  2. 5. The two cavities inside the nose
  3. 7. Where urine is produced; two bean-shaped organs
  4. 8. The process of removing the waste substances produced in the body
  5. 9. The structure that surrounds the lungs and the heart
  6. 11. The structure that pumps blood around the body
  7. 12. Tiny air sacs at the end of bronchioles; where gas exchange occurs
  8. 15. Two tubes that carry urine from the kidneys to the bladder
  9. 16. The gas that we breathe in; passes FROM the alveolus INTO the blood during gas exchange
Down
  1. 2. Breathing out; lungs and ribcage get smaller
  2. 3. Two sponge-like organs
  3. 4. Where urine is stored
  4. 6. A tube that carries urine from the bladder to the outside of the body
  5. 10. Breathing in; lungs and ribcage get bigger
  6. 13. Contains the vocal cords
  7. 14. The gas that we breathe out; passes FROM the blood INTO the alveolus during gas exchange