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.

Hard bones shield delicate internal organs (e.g., the skull protects the brain, and the rib cage protects the heart and lungs). prezentatsiia 8 klass kosti skeleta

Cube-shaped (e.g., carpals in the wrist, tarsals in the ankle). They provide stability.

Inside the marrow of certain bones, the body produces red blood cells, white blood cells, and platelets (hematopoiesis). 2. Major Divisions: Axial and Appendicular Hard bones shield delicate internal organs (e

The dense, hard outer layer that provides strength.

Osteoblasts (build bone), osteoclasts (break down bone), and osteocytes (maintain bone). 5. Joints and Connections Inside the marrow of certain bones, the body

A tough outer membrane containing blood vessels and nerves.