Brainpop Struggles ;-;

How are neurotransmitters different from the impulses that travel along the bodies of nerve cells?

A. The impulses are electrical; neurotransmitters are chemical. incorrect answer
B. The impulses travel at a faster rate than neurotransmitters. incorrect answer
C. The impulses send signals from the body to the brain; neurotransmitters send signals from the brain to the body. incorrect answer
D. The impulses occur constantly; neurotransmitters are released only occasionally.