What other body system plays a direct role in moving muscles?

The heart plays a direct role on the movement of muscles because you're heart pumps blood to the muscles you are using when they are being exercised

Ci want to say is right

Air goes past the epiglottis and into the trachea when you breathe in. from there, it goes to your vocal cords in the larynx until it reaches the bronchi. from the bronchi, air passes into each lung.