What is glottis ?

Explanation

### Step-by-Step Text Solution:

1. **Definition of Glottis**:
- The glottis is a part of the human respiratory system, specifically located in the pharynx. It is a small, slit-like opening that plays a crucial role in the respiratory process.

2. **Location**:
- The glottis is situated on the floor of the pharynx and opens into the larynx, which is commonly referred to as the voice box.

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