Unique shapes that don't fit other categories (e.g., vertebrae). 4. Bone Structure and Composition Bones are living tissues. A typical long bone consists of:
Bones come in various shapes tailored to their specific function:
The skeleton is much more than a rigid frame. It serves five primary purposes: prezentatsiia 8 klass kosti skeleta
Bones store essential minerals, primarily calcium and phosphorus, which the body can draw upon when needed.
Thin and curved (e.g., skull bones, sternum). They offer protection and large surfaces for muscle attachment. Unique shapes that don't fit other categories (e
Inside the marrow of certain bones, the body produces red blood cells, white blood cells, and platelets (hematopoiesis). 2. Major Divisions: Axial and Appendicular
This is the central axis of the body. it includes the skull, the vertebral column (spine), and the thoracic cage (ribs and sternum). A typical long bone consists of: Bones come
The 206 bones of the adult skeleton are divided into two main groups: