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  1. The cells lining the blood vessels belong to the category of:
    1. smooth muscle tissue
    2. squamous epithelium
    3. columnar epithelium
    4. connective tissue
Correct Option: B

The lining of a blood vessel is with simple squamous epithelium. Inner most lining of blood vessels is called endothelium. “Squamous” refers to the fact that the cells are flat.



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