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