Write a short note on muscular system?

The muscular system provides mobility and support to the body. There are three types of muscle tissue: skeletal, smooth, and cardiac. These vary in structure according to their function. Skeletal muscles are striated muscles that serve to move body parts. Smooth muscles is found in internal organs, while cardiac muscle is present only in the heart. Muscle filaments and filaments similar to those found in muscles are responsible for most of the movements of protoplasm in the body.