contestada

____ muscles, such as those in the walls of the stomach and intestines, work without conscious control.

a. Involuntary
b. Voluntary

Respuesta :

Is A


Explanation: Smooth muscle is composed of involuntary muscles found within the walls of organs and structures such as the esophagus, stomach, intestines, and blood vessels. These muscles push materials like food or blood through organs. Unlike skeletal muscle, smooth muscle can never be under your control.