Which muscle type is specifically responsible for voluntary movements?

The skeletal muscle is specifically responsible for voluntary movements because it is under conscious control. These muscles are attached to bones and are involved in actions such as walking, lifting, and any other activities that require deliberate motion. Skeletal muscles consist of long, striated fibers that can contract rapidly and with force, enabling precise and varied movements.

In contrast, cardiac muscle, which is found in the heart, is involuntary and operates automatically to pump blood without conscious thought. Involuntary muscle refers to muscles that work without conscious control, such as those found in the digestive system, which facilitate processes like digestion and peristalsis. Smooth muscle, also classified as involuntary, lines hollow organs and helps regulate various automatic functions in the body, such as blood vessel diameter and gastrointestinal movements. Therefore, the unique characteristic of skeletal muscle as being voluntary clearly identifies it as the correct answer in this context.