Q:

The walls of the trachea are held open by which of the following?

waelhammad
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2022-10-19
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The walls of the trachea are held open by which of the following?

  1. nerve impulses
  2. rings of cartilage
  3. fi ne bones
  4. smooth muscle contractions
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waelhammad
2022-10-19
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B: Bands of cartilage shaped like a “C” keep the trachea rigid and open.  

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