What is epiglottis? What is its role in the digestive system?

Explanation

### Step-by-Step Solution:

1. **Definition of Epiglottis**: The epiglottis is a muscular, leaf-shaped flap-like structure located at the opening of the larynx.

2. **Location**: It is situated at the entrance of the larynx, which is part of the respiratory system.

3. **Function During Swallowing**: The primary role of the epiglottis is to close off the larynx when we swallow food.

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