Smooth muscles are primarily used to ________.

Question

Quizplus · Accepted Answer

Smooth muscles are found in the walls of hollow organs such as the digestive tract, urinary bladder, uterus, and blood vessels. Their primary function is to propel substances through these organs via rhythmic contractions, such as pushing food through the digestive tract or urine through the bladder. Therefore, choice C is the best answer. Choices A, B, D, and E are incorrect as smooth muscles don't generate heat, pump blood, provide voluntary movements, or pull on bones of the skeleton.

Smooth Muscles Are Primarily Used to ________