The Skeletal System | World’s Science |
skeleton is the structural framework of an organism, providing support, protection, and movement. In vertebrates, including humans, the skeleton is made up of bones, cartilage, and ligaments. It serves several key functions:
1. Support – Maintains the body’s shape and provides a framework for muscles and tissues.
2. Protection – Shields vital organs (e.g., skull protects the brain, ribcage protects the heart and lungs).
3. Movement – Works with muscles and joints to enable motion.
4. Blood Cell Production – Bone marrow inside certain bones produces red and white blood cells.
5. Mineral Storage – Stores essential minerals like calcium and phosphorus.
The human skeleton has 206 bones and is divided into:
• Axial Skeleton (skull, vertebral column, ribcage)
• Appendicular Skeleton (limbs, pelvis, shoulders)