The R-COOH. Unbranched hydrocarbon chain with carboxyl at one end.
<span> The answer is: A. Skeletal muscles control involuntary body functions
Involuntary body functions, such as the beating of the heart, Skeletal muscles exist only to control voluntarily movement, such as raising your arm or moving your leg. All involuntary organ movement such as beating of the heart and the movement of the lungs are controlled by involuntary muscle.</span><span />
In the alarm reaction stage
