The Heart and Lungs

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Across
  1. 3. tubes let air in and out of your lungs, so you can breathe
  2. 6. the membrane-lined cavity behind the nose and mouth
  3. 7. receives deoxygenated blood from the body through the vena cava
  4. 8. incomplete rings of hyaline
  5. 10. partition separating two chambers
  6. 11. prevents the backward flow of blood.
  7. 14. a large vein carrying deoxygenated blood into the heart.
  8. 15. is responsible for pumping oxygen-depleted blood to the lungs
Down
  1. 1. A tiny branch of air tubes
  2. 2. from the left ventricle and runs down in front of the backbone.
  3. 4. Its role is to act as a holding chamber for blood returning from the lungs
  4. 5. carries oxygenated blood from the lungs to the left atrium of the heart.
  5. 6. carries blood from the right ventricle of the heart to the lungs for oxygenation.
  6. 9. It is located in the bottom left portion of the heart
  7. 12. tiny air sacs of the lungs which allow for rapid gaseous exchange
  8. 13. a flap of cartilage behind the root of the tongue
  9. 14. folds of membranous tissue which project inwards from the sides of the larynx to form a slit across the glottis in the throat
  10. 16. a large membranous tube reinforced by rings of cartilage