Question

What happen to the air breatheb in, once it reaches the lungs?​

Answer 1

Explanation:

As your lungs expand, air enters your nose or mouth and is warmed and moistened. It then travels down your windpipe to your bronchial tubes – the tubes that connect your windpipe to your lungs. When the air reaches your lungs it enters the alveoli (air sacs), where oxygen is passed into your bloodstream.

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Answer 2

Answer:

As your lungs expand, air enters your nose or mouth and is warmed and moistened. It then travels down your windpipe to your bronchial tubes – the tubes that connect your windpipe to your lungs. When the air reaches your lungs it enters the alveoli (air sacs), where oxygen is passed into your bloodstream.