Mast cells ____.
A) circulate in the bloodstream
B) degranulate in response to signaling molecules secreted by endocrine and nerve cells
C) respond to normal flora
D) release signaling molecules that cause arterioles to constrict
E) engulf and digest pathogens

Question

Quizplus · Accepted Answer

Mast cells degranulate in response to signaling molecules, releasing histamine and other chemicals that play a role in inflammatory and allergic responses.

Mast Cells ____