Answer: Motor Unit
Step-by-step explanation:
Answer is a motor Unit.
A motor unit is part of the neuromuscular system that consists of a motor neuron and the skeletal muscle fibers that the axon innervates or contac. When motor units are in group they are called a motor pool and they work together. Example is the contractions of muscles, All the motor units in the muscles group together to form a motor pool and coordinate the contractions of muscles.