Voluntary muscles are muscles that are under our conscious control. Skeletal muscles are muscles that you control voluntarily. They are attached to the bone and forms a distinct organ of muscle tissue, blood vessels, tendons, and nerves that covers our bones and allows movement. We can choose to move our leg in order to run.
Cigarettes and Vapes both deliver nicotine to the brain, but cigarettes are much more harmful. They burn tobacco creating tar that is delivered into your body. Nicotine is delivered through e-liquid while still harmful is much less toxic than cigarettes.