Question

Put a tick mark (✓) against the correct alternative in the following statements:​
(b) Blood Capillary is a:

• A. Artery with thick wall
• B. Narrow tube made up of endothelium only
• C. Vein with large lumen
• D. Broad tube

Answer 1

The correct option is B Narrow tube made up of endothelium only

The correct answer is (d) Narrow tube made up of endothelium only.​
Capillary is a very narrow blood vessel whose walls have a single layer of cells (endothelium).​
The wall of the capillary is very thin to enable an exchange of nutrients, waste products, and gases between the blood and body fluids