Answer:Neurons, or nerve cells that carry nerve impulses, are made up of the cell body, the axon, and several dendrites. Signals move across the synapse, the place where the axon of one neuron meets the dendrite of another, using chemicals called neurotransmitters
Explanation:
D. He should perform rehabilitation exercises, because he his body has gone 3 weeks without the same routine, and therefore he may be more vulnerable to injury.
