Prezentatsiia 8 Klass Kosti Skeleta May 2026

The 206 bones of the adult skeleton are divided into two main groups:

Bones store essential minerals, primarily calcium and phosphorus, which the body can draw upon when needed. prezentatsiia 8 klass kosti skeleta

Longer than they are wide (e.g., femur, humerus). They function as levers. The 206 bones of the adult skeleton are

This is the central axis of the body. it includes the skull, the vertebral column (spine), and the thoracic cage (ribs and sternum). primarily calcium and phosphorus

The dense, hard outer layer that provides strength.

Located at the ends of bones; it is porous and contains red bone marrow.

Thin and curved (e.g., skull bones, sternum). They offer protection and large surfaces for muscle attachment.