Question

What are the smallest blood vessels in the human body?

Answer 1

Blood vessel:

A tube, which carries blood throughout the body is known as a blood vessel.

Capillaries:

1. They are the smallest blood vessels found in the body of a human being.
2. These are the smallest vessels, whose walls are one-cell thick.
3. On reaching the tissue or organ, the artery is differentiated into smaller blood vessels, that is, capillaries that bring blood to all the cells of the body.
4. The exchange of substance between the surrounding cells and the blood occurs across the walls of capillaries.