multiple choice question\nwhat is the ability of nerve and muscle cells to produce quick reactions…

multiple choice question\nwhat is the ability of nerve and muscle cells to produce quick reactions called?\no differentiation\no reactivity\no excitability\no stimulus
Answer
Brief Explanations:
Excitability is the property of nerve and muscle cells to respond quickly to stimuli by generating electrical - chemical changes. Differentiation refers to cell - specialization, reactivity is a more general term for a response, and a stimulus is what causes a response, not the ability to respond.
Answer:
C. Excitability