The ability of white blood cells to leave the circulation and enter tissues is called ________.

A) chemotaxis
B) diapedesis
C) margination
D) intrusion
E) exocytosis

Diapedesis

The passage of blood cells through the intact walls of the capillaries, typically accompanying inflammation.

Exocytosis

Exocytosis is a cellular process in which substances are transported out of the cell through the fusion of vesicles with the plasma membrane.

Chemotaxis

The movement of an organism or cell towards or away from a chemical stimulus.