Compared to skeletal muscle, smooth muscle
A)contracts more slowly and relaxes more slowly.
B)contracts more slowly and relaxes more rapidly.
C)contracts more rapidly and relaxes more slowly.
D)contracts more rapidly and relaxes more rapidly.

Question

Quizplus · Accepted Answer

Smooth muscle contracts more slowly and relaxes more slowly than skeletal muscle. This is because smooth muscle does not have as many contractile proteins as skeletal muscle and its contractions are initiated by a different mechanism.

Compared to Skeletal Muscle, Smooth Muscle