By Simran Jayasinghe
The Muscular System is made up of muscles. There are two main types of muscles, voluntary muscles, and involuntarily muscles. There are also Skeletal muscles, Smooth muscles, and Cardiac muscles. Smooth Muscles are like the muscled that line the inside of your stomach. Cardiac and Smooth muscles are involuntary. Involuntary means that do things without you having to think about it. Voluntary means you need to think about it to do it. Skeletal Muscles are voluntary because you think before you move and your brain has to tell your muscles to move. Bones and muscles have to work together to allow you to move.