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29-10-2022
Biology

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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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ShaylahM387098 ShaylahM387098

29-10-2022

BIOLOGY > HUMAN BIOLOGY > RESPIRATORY SYSTEM

EXPLANATION:

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

ANSWER: B

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