How does the epiglottis prevent foods and liquids from entering the larynx?

Explanation

### Step-by-Step Solution:

1. **Understanding the Epiglottis**: The epiglottis is a flap-like structure located at the entrance of the larynx (the voice box) and is part of the respiratory system.

2. **Function of the Epiglottis**: Its primary function is to prevent food and liquids from entering the larynx and the trachea (the windpipe) during swallowing.

3. **Mechanism During Swallowing**: When a person swallows food or liquid, the epiglottis folds down over the larynx. This action is a reflex that occurs automatically when swallowing.

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