passage of air from atmosphere to lungs
nag1:
air to nostrils nostrils to nose nose to pharynx to larynx to lungs
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First air or oxygen enters our body through nasal cavity then to pharynx then larynx (in between epiglottis comes). Then trachea, next comes bronchus region.
At last lungs.
At last lungs.
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1
The air passes from the nostrils to the nose .From there they pass to the wind pipe from there to the lungs. Where they fuse with surface of alveoli and get mixed up with the blood.
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