Question

why when we drinking and breathing we cannot do one at a time
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Answer 1

Answer:

because if we can do both at the same time....water will go into the lungs...

Answer 2

Explanation:

Because, there’s a flap of tissue that closes the windpipe as we swallow water to prevent it from entering lungs, which, if it did, would be harmful.

The mouth and the throat are a common passageway for air and food. At the throat, the passageway separates into two pipes — 1. Food pipe that leads to the stomach and 2. Windpipe that leads to the lungs.