The cells lining the blood vessels belong to the category of

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

Solution

The squamous epithelium is made up of a single thin layer of flattened cells with irregular boundaries. They are found in the walls of blood vessels and air sacs of lungs and are involved in a functions like forming a diffusion boundary.

Asked in: NEET 2011 (Mains)

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