What is trachea?

Explanation

**Step-by-Step Text Solution:**

1. **Definition of Trachea**: The trachea is commonly known as the windpipe. It is a crucial part of the respiratory system in both plants and animals.

2. **Structure**: The trachea is a tube-like structure. This means it has a cylindrical shape that allows air to pass through it.

3. **Location**: The trachea extends from the pharynx, which is the part of the throat behind the mouth and nasal cavity.

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