The heart, blood, and blood vessels are the major components of the cardiovascular system. Like the bustling factory, the body must have a transportation system to carry its various cargos back and forth, and this is where the cardiovascular system steps in.
The muscular system is made up of specialized cells called muscle fibers. Their main function is contractibility. Muscles, connected to bones or internal organs and blood vessels, are in charge for movement. Almost every movement in the body is the outcome of muscle contraction.