Answer:
d. axon
Explanation:
Neuron is the basic building block of brain and the central nervous system. They are specialized cells which transmit chemical as well as electrical signals.
Axon is a part of neuron which carries electrical impulse from cell body to structures at the opposite end of neuron.
It is a long and slender projection of neuron which conducts action potentials (electrical impulses) away from body of the cell.
Function of an axon is to transmit the information to the different neurons to different muscles and to different glands.
