The Skeletal 🦴 System
The Skeletal System
* Divided into two divisions
. Axial Skeleton
. Appendicular Skeleton
* Parts of the Skeletal System
. Bones (Skeleton)
. Joints
. Cartilages
. Ligaments
Function of the Bones
• Support of the body
• Protection of soft organ
• Movement due to attached skeletal muscle
• Storage of minerals and Fats
• Blood cell formation
Classification of bones
(a) . Long bone
(b) . Flat bone
(c) . Short bones
(d) . Irregular bone
Structures of long Bone
# Articular cartilage
• Covers the external surface of the epiphysis
• Made of hyaline cartilage
• Decreases friction at joint surface
# Medullary cavity
• Cavity of the shaft
• Contains yellow marrow ( most fat) in adults
Skeletal system full notes ppt
