You’ve got two pipes in your throat, bud, your esophagus and your trachea. One’s the food hole and one’s the air hole, and they can’t both be open at the same time. Most of the time your air hole is open and your food hole is closed. But when it’s time to swallow something, we do a quick closure of the air hole and open up the food hole for a few seconds, and then close it again and open the air hole back up.
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