What is the Purpose of the Human Skeletal System?
The human skeletal system is a complex network of bones, cartilage, and ligaments that provides support, protection, movement, and storage for the body. It consists of over 200 bones, which are made up of a hard outer layer of mineralized tissue and a softer inner marrow.
Functions of the Skeletal System:
- Support: The skeleton provides a framework for the body, supporting the weight of the organs and tissues.
- Protection: The bones of the skull, rib cage, and pelvis protect vital organs such as the brain, heart, and lungs.
- Movement: The skeletal system works in conjunction with muscles to enable movement. Muscles attach to bones, and when they contract, they pull on the bones to create movement.
- Storage: The bones store minerals, such as calcium and phosphorus, which are essential for the body's function. They also store fat in the marrow.
- Blood cell production: The bone marrow produces red blood cells, which carry oxygen throughout the body, and white blood cells, which fight infection.
Components of the Skeletal System:
- Axial skeleton: Consists of the bones of the skull, spine, and rib cage.
- Appendicular skeleton: Made up of the bones of the limbs (arms and legs) and their associated girdles (shoulder and pelvic).
Related Questions and Answers:
- What is the strongest bone in the body? Femur (thigh bone)
- Which bone protects the brain? Cranium
- What type of tissue makes up cartilage? Connective tissue
- What is the purpose of the synovial fluid in joints? Lubrication
- Which hormone is responsible for bone growth and mineralization? Growth hormone
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