Why Does a Mosquito Bite Itch

Multiple Choice

Why does a mosquito bite itch?

A) This is similar to a placebo effect-you expect it to itch, so it does.
B) Pain receptors are stimulated, because itch is a type of pain.
C) Injured tissues release the chemical histamine, which causes an itching sensation.
D) Receptors in the vestibular sense become active, and this is experienced as an itching sensation.