Massage Therapist Practice Exam

Category - Body Systems<br />

The respiratory passageways are lined with hair-like fibers called:
  1. Cilia
  2. Filters
  3. Feelers
  4. Movers
Explanation
Answer: A The hair-like fibers in the passageways of the respiratory system are called cilia. These fibers help to brush away debris out of the lungs for removal. Cilia come in two types: motile and non-motile, or moving and non-moving.
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