Why is urinary bladder lined by transitional epithelium?

Explanation

### Step-by-Step Solution:

1. **Understanding Transitional Epithelium**:
- Transitional epithelium is a specialized type of epithelial tissue that can change its shape and size. It is unique because it can stretch and contract.

2. **Location of Transitional Epithelium**:
- This type of epithelium is primarily found in the lining of the urinary bladder, as well as in parts of the urinary tract such as the ureters and part of the urethra.

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