Question

divisions of the skeleton: division includes 1. 2. types of bones: explain and give examples 1. 2. 3. 4. 5.

Explanation:

The human skeleton is divided into the axial skeleton and appendicular skeleton. The axial skeleton includes the skull, vertebral column, and thoracic cage. The appendicular skeleton consists of the bones of the upper and lower limbs, and the pectoral and pelvic girdles which attach the limbs to the axial skeleton. There are five types of bones. Long bones are longer than they are wide and are found in the limbs, like the femur. Short bones are cube - shaped and include the carpals in the wrist. Flat bones are thin and flat, such as the parietal bones of the skull, and are often used for protection and muscle attachment. Irregular bones have complex shapes, like the vertebrae. Sesamoid bones are small, round bones embedded in tendons, such as the patella.

Answer:

Divisions of the Skeleton:

1. Axial Skeleton; Includes: Skull, vertebral column, thoracic cage
2. Appendicular Skeleton; Includes: Bones of upper and lower limbs, pectoral and pelvic girdles

Types of Bones:

1. Long Bones; Explanation: Longer than wide, in limbs; Example: Femur
2. Short Bones; Explanation: Cube - shaped; Example: Carpals in wrist
3. Flat Bones; Explanation: Thin and flat, for protection and muscle attachment; Example: Parietal bones of skull
4. Irregular Bones; Explanation: Complex shape; Example: Vertebrae
5. Sesamoid Bones; Explanation: Small, round, embedded in tendons; Example: Patella