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what does the epiglottis do

The epiglottis is a small flap of cartilage that helps keep food and liquid out of your airway when you swallow. It folds down over the opening of the larynx so material goes toward the esophagus instead of into the trachea and lungs.

Quick scoop

  • At rest: it stays upright so air can pass into the larynx and lungs.
  • When you swallow: it tilts backward to cover the airway opening.
  • Why it matters: this helps prevent choking and aspiration, which is when food or liquid enters the lungs.

If you want, I can also explain what happens if the epiglottis gets inflamed or give you a simple diagram-style explanation.