Whereas the contractile activity of skeletal muscle is called________ , that of cardiac muscle is________ because the contraction originates within the musculature itself.
A) somatic : autorhythmic
B) voluntary : involuntary
C) neurogenic : myogenic
D) somatic : autonomic
E) extrinsic : intrinsic

Question

Quizplus · Accepted Answer

The contractile activity of skeletal muscle is referred to as neurogenic because it requires a nerve impulse to initiate contraction. In contrast, the contractile activity of cardiac muscle is myogenic, meaning the contraction originates within the muscle itself without the need for an external nerve impulse.

Whereas the Contractile Activity of Skeletal Muscle Is Called________