What kind of lining does trachea have ? Does it have any significance?

Explanation

### Step-by-Step Solution:

1. **Identify the Lining of the Trachea**:
The trachea is lined with a specific type of epithelial tissue known as **pseudostratified columnar ciliated epithelium**.

2. **Structure of the Lining**:
This lining consists of cells that have hair-like projections called **cilia**. These cilia are crucial for the function of the trachea.

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