2. Explain the change a substance would undergo when moved from a warm environment to a cooler environment. Think about the pressure within the
substance.

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

i think it's letter a.