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Which structure or substance is responsible for helping filter and clean air as it passes through the trachea and bronchioles?Question options:A) Nasal passagesB) CiliaC) SalivaD) Alveoli
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Which structure or substance is responsible for helping filter and clean air as it passes through the trachea and bronchioles?Question options:A) Nasal passagesB) CiliaC) SalivaD) Alveoli

User Nirav Bhavsar
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Answer: cilia

Step-by-step explanation:

User Rokuto
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BIOLOGY > HUMAN BIOLOGY > RESPIRATORY SYSTEM

Step-by-step explanation:

Cilia filters the air coming inside lungs by secreting mucus which protects the trachea and bronchioles and where substances sticks on.

ANSWER: B

User Ever Alian
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