How do each of the three types of muscle assist with moving blood around the body?

The three types of muscle—skeletal, cardiac, and smooth—each play a specific role in moving blood. Skeletal muscle aids in venous return by contracting during physical activity, helping push blood back to the heart. Cardiac muscle, found in the heart, contracts rhythmically to pump blood throughout the circulatory system. Smooth muscle, located in the walls of blood vessels, regulates blood flow by contracting and relaxing, which adjusts vessel diameter and influences blood pressure.