Medically reviewed by Katrina Carter, DPT Voluntary muscles, also known as skeletal muscles, are muscles that can be consciously controlled, such as the muscles of your limbs, head, neck, and body.

each perfectly adapted to its function: Cardiac (heart) muscle cells contract and relax to pump blood around our bodies for our entire lives. They never get tired. Smooth muscle cells make up thin ...

Heart Rate Increase in rate of contraction of cardiac muscle - cardiac output increases Decrease in rate of contraction of cardiac muscle - cardiac output decreases Breathing Rate Smooth muscle of ...