Human Body

1234567891011121314
Across
  1. 4. two branches off of the lungs
  2. 5. tube for air also called windpipe.
  3. 6. tiny sacs at the end of bronchioles that control the transfer of oxygen and carbon dioxide.
  4. 8. filters blood.
  5. 10. stores urine.
  6. 11. muscle sac in digestive system that does most of the chemical digestion.
  7. 13. tube that connect mouth to the stomach.
  8. 14. type of blood cell that helps form scabs.
Down
  1. 1. lower section of the heart.
  2. 2. system that breaks down food.
  3. 3. transports oxygen and carbon dioxide and helps you breathe.
  4. 7. airways that connect bronchi too alveoli.
  5. 9. in the kidney and it filters blood.
  6. 12. upper chamber of the heart.