Biology for IGCSE & O level - Gas Exchange In Humans (Section 2 - No. 17) | ExamPlay

Biology for IGCSE & O level - Gas Exchange In Humans (Section 2 - No. 17)

What part of the respiratory system humidifies the air you breathe?

Lungs

Nose

Trachea

Bronchioles

Explanation

The nasal passages humidify the air.

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