The Skeletal System: 5 Essential Functions Explained

The skeletal system has five main functions:

1. Support: The skeletal system provides support for the body and helps to maintain its shape. It gives the body structure and allows us to stand upright.

2. Protection: The skeletal system protects the vital organs of the body, such as the brain, heart, and lungs. The skull protects the brain, the ribs protect the heart and lungs, and the vertebrae protect the spinal cord.

3. Storage: The skeletal system stores minerals, such as calcium and phosphorus. These minerals are essential for bone health and for the proper functioning of the body.

4. Blood Cell Production: The bone marrow, which is located inside the bones, produces red blood cells, white blood cells, and platelets. Red blood cells carry oxygen to the body's tissues, white blood cells fight infection, and platelets help to stop bleeding.

5. Movement: The skeletal system works together with the muscular system to allow for movement. The muscles attach to the bones and pull them, causing the body to move.