Would you expect motor units to vary in size? If so,which of these structures would probably have the largest ones?
A) No; all motor units are the same size.
B) Yes; a large thigh muscle.
C) Yes; a muscle controlling eye movements.
D) Yes; a muscle controlling hand movements.

Question

Quizplus · Accepted Answer

Motor units vary in size depending on the function of the muscle. Large muscles like those in the thigh, which are responsible for gross movements, typically have larger motor units compared to muscles that require fine control, such as those controlling eye or hand movements.

Would You Expect Motor Units to Vary in Size? If