2 years ago

Explain how the body prevents particles in inspired air from reaching the gas exchange surfaces.

1 answer:

3 0

Your respiratory system prevents harmful substances from entering the lungs by using: .Mucus produced in the trachea and bronchial tubes to keep air passages moist and aid in intercepting dust, bacteria and other substances; The sweeping motion of cilia (small hairs in the trachea) to keep air passages clean

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