What does the upper respiratory system do to prepare air for entrance into the lungs? Select all that apply. cools moistens warms dries filters

The upper respiratory system includes the nasal cavity (nose), the pharynx and larynx.

Explanation:

Air enters the body through the nose or mouth, this moistens and warms the air that enters since cold dry air will irritate the lungs. The air then travels down the voice box and down the windpipe.

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