The Fastest Way to Get a Signal from One Place

Question

The fastest way to get a signal from one place to another in the body is through
A) Endocrine signals moving through the blood 
B) Paracrine signaling molecules diffusing through the ECF
C) Action potentials moving along axons
D) Mechanical signals
E) Chemical signals moving along axons

Accepted Answer

Action potentials moving along axons are the fastest way to transmit signals in the body, as they allow for rapid communication between neurons and between neurons and muscles, enabling quick responses to stimuli.