Respiratory system: Curious Scientist. Fernanda Flores Varela.

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Across
  1. 3. This is the end of the respiratory system.
  2. 4. The gas exchange happens there.
  3. 5. The entrance of the nose.
  4. 8. Is automatic and involuntary.
  5. 9. Is eliminated from the body by exhalation.
  6. 10. Is transported in the blood to the cells.
Down
  1. 1. Tubes that get smaller and narrower.
  2. 2. Organs that move air outside to the inside.
  3. 6. Here, the vocal cords are located
  4. 7. Is and essential process for the body.