Cardiovascular/Respiratory System Review

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Across
  1. 1. restores blood flow and oxygen supply to the body.
  2. 4. are tiny air sacs that allow for gas exchange.
  3. 8. carry blood away from the heart, carrying oxygenated blood.
  4. 9. is the largest artery in the body.
  5. 12. is the largest vein in the body.
  6. 13. helps with voice production.
  7. 14. is air entering the lungs.
  8. 15. is a pathway for air.
  9. 17. are the two large tubes that carries air in to the lungs.
Down
  1. 1. allow oxygen, nutrients, and waste to be exchanged with tissues.
  2. 2. protects the lungs.
  3. 3. is the main muscle used for breathing.
  4. 5. ______lung is smaller to make room for the heart.
  5. 6. blood is carried through the veins towards the heart.
  6. 7. separates the heart into the right and left sides.
  7. 10. causes the diaphragm to relax and move upward.
  8. 11. is known as the windpipe.
  9. 16. enters the body through the mouth and nose.