which of the following act a passenger for the air to enter the lungs
a.Nostril b.Bronchioles c.Alveoli d.Trachea
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Explanation:
nostrils is the right answer
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Answer:
Bronchioles
They contract to pull your rib cage both upward and outward when you inhale. As your lungs expand, air is sucked in through your nose or mouth. The air travels down your windpipe and into your lungs. After passing through your bronchial tubes, the air travels to the alveoli, or air sacs.
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