Which of the following factors would affect the rate at which the stages of death happen A. Humidity
B. Temperature
C. If the person was sick
D. All of the choice would affect the rate

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.