The role of muscles in movement 1. It helps a person move Muscles are attached to this frame. Muscle is an elastic tissue with a rich blood supply and nerves. The skeleton is made of bone. The skeleton contains more than 200 bones, which support and protect your body.
Joints are points in the body where two bones meet.
Joints can be affected by bone disease, swelling and wearing away of cartilage that lubricates bone at its contact surfaces. Such a disease is arthritis.