The Heart

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Across
  1. 4. The bronchus divides into these tiny branches.
  2. 5. Here is where blood returning from the lungs enters
  3. 7. A cavity found behind the nose and the mouth that connects them to the oesophagus.
  4. 9. This tube starts after the larynx and finishes when the bronchial tubes start.
  5. 10. Part of the heart located on the bottom right part of the heart.
  6. 13. These are used to control that not too much blood enters and leaves the heart.
  7. 16. A piece of skin that opens when we inhale.
Down
  1. 1. Found on the sides of the larynx who vibrate to produce the voice.
  2. 2. It takes the oxygenated blood to the body
  3. 3. Part of the heart located on the bottom left part of the heart.
  4. 6. The air, after going through the trachea it goes through these tubes.
  5. 7. This is the artery carrying blood from the right ventricle to the lungs.
  6. 8. These are rings found in the trachea that protect it from getting flat.
  7. 11. this vein carries deoxygenated blood into the heart.
  8. 12. Deoxygenated blood enters through this part of the heart
  9. 14. Tiny air sacs found in the lungs
  10. 15. This separates the two chambers of the heart.