Circulatory and Respiratory Systems

1234567891011121314
Across
  1. 2. where air enters the body
  2. 5. carries needed substances to the cells and waste away from the cells
  3. 7. pumps the heart
  4. 8. flap that covers the trachea during swallowing
  5. 10. brings oxygenated blood away from the heart
  6. 11. filters the blood
  7. 13. area where oxygen and carbon dioxide are exchanged with the blood
  8. 14. area behind the mouth and nose that serves as a passageway for food and air
Down
  1. 1. tube that leads to the lungs
  2. 3. pumps the blood
  3. 4. muscle that causes the lungs to inflate and deflate
  4. 6. takes in air and releases waste gas
  5. 9. brings deoxygenated blood back to the heart
  6. 12. branches at the base of the trachea