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 motor unit in the thigh to control leg movements would be the largest one.
C)Yes; a motor unit that controls eye movements would be the largest one.
D)Yes; a motor unit that controls hand movements would be the largest one.

Question

Quizplus · Accepted Answer

Motor units vary in size depending on the precision required for movement. Larger motor units are found in muscles responsible for gross movements, like those in the thigh, while smaller motor units are found in muscles requiring fine control, like those in the eyes or hands.

Would You Expect Motor Units to Vary in Size? If