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Answer:
The answer is B: All the muscle cells innervated by a single motor neurorn.
Explanation:
It is called a motor unit, all muscle fibers that are innervated by a motor neuron cell. A motor neuron cell can establish contact with up to 150 muscle fibrils, which when activated causes their simultaneous contraction, therefore, all the muscle fibers of a motor unit contract and relax at the same time.
Answer:
i dont think you gave us the choices but epidemiology is the study of health distribution. it determines diseases as well as shapes decisions. essentially they deal with medicine having to do with big diseases and new diseases like cancer.
He should try to calm him down. Once he calmed down, he can try to talk to him.
