Question

WBC’s show _________ movement that helps them to reach the site of infection through the walls of a blood vessel.

Answer 1

Answer:

One of the mysteries of the living body is the movement of cells -- not just in the blood, but through cellular and other barriers. New research at the Weizmann Institute of Science has shed light on the subject, especially on the movement of immune cells that race to the sites of infection and inflammation. The study revealed that these cells -- white blood cells -- actively open large gaps in the internal lining of the blood vessels, so they can exit through the vessel walls and rapidly get to areas of infection...