The slide image shows epithelium tissue found in the bladder. what is the function of the tissue indicated by the arrow?

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protects the inner lining of the bladder
contraction of the bladder
structural support of the bladder
nerve impulse conductor for bladder

Contraction of the bladder

Explanation:

The tissue indicated by arrow represents "transitional epithelium" of urinary bladder. The transitional epithelium is the epithelial tissue that consists of cells with ability to change their shape. The cells of transitional epithelium of urinary bladder get stretched when the bladder is distended with urine. They resume the normal shape once the urine is excreted out of the body. So, the transitional epithelium helps the urinary bladder to expand and stretch.