Skeletal System

The human body is a complex living organism made up of trillions of cells. The body includes several major organ systems, each composed of various organs and tissues that work together to do specific jobs. Your muscular system works with your skeletal system to move your body. An adult's skeletal system is made of 206 bones. Babies have even more bones. Your skeletal system gives your body its shape. It protects your internal organs and allows you to move from place to place and to move your arms, legs, and hands. Your skeletal system lets you move and gives your body its shape, but it does much more. Your bones store minerals like calcium and phosphorus to keep your body strong and healthy. It protects your brain, heart, and lungs. Did you know that new blood cells are made inside your bones? Find out about your body's amazing skeletal system.