Question

what is diapedesis?
multiple choice
the movement of white blood cells through blood vessel walls.
the formation of platelets from megakaryocytes.
the filling of red blood cells with hemoglobin.
the squeezing of red blood cells through narrow capillaries.

Explanation:

Diapedesis is the process by which white - blood cells move through blood vessel walls to reach the site of inflammation or infection. The other options describe different hematological processes.

Answer:

The movement of white blood cells through blood vessel walls.