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What role do cilia play in the respiratory system?

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Question: What role do cilia play in the respiratory system?

Options:

  1. They help in gas exchange
  2. They trap and move particles out of the airways
  3. They produce mucus
  4. They regulate airflow

Correct Answer: They trap and move particles out of the airways

Solution: 

Cilia are hair-like structures that line the respiratory tract and help trap and move particles out of the airways, keeping the lungs clear of debris.

What role do cilia play in the respiratory system?

Practice Questions

Q1
What role do cilia play in the respiratory system?
  1. They help in gas exchange
  2. They trap and move particles out of the airways
  3. They produce mucus
  4. They regulate airflow

Questions & Step-by-Step Solutions

What role do cilia play in the respiratory system?
  • Step 1: Understand that cilia are tiny, hair-like structures found in the respiratory system.
  • Step 2: Know that cilia line the airways, which are the tubes that carry air to and from the lungs.
  • Step 3: Learn that cilia help trap dust, dirt, and other particles that enter the airways when we breathe.
  • Step 4: Realize that cilia move in a coordinated way to push these trapped particles out of the airways.
  • Step 5: Remember that this process helps keep the lungs clean and clear of debris, which is important for healthy breathing.
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