Skeletal System Flashcards
Two types of skeleton
Axial - Central bones, protects organs and supports stability.
Appendicular - Limbs, enables movement, provides stability and execution of regular tasks.
How many bones in axial
80 bones
How many bones in appendicular
126 bones
Total bones in human body
206
Functions of the skeletal system
Structure, balance and provides protection
Long bones
Cylinder like shape, primary function is leverage
short bones
Cube like shape, provide stability and support
Flat bones
thin and curved,
Irregular bones
Complex shape, protects internal organs
Sesamoid bones
Small and round, protects tendons
Epiphysis
The ends of the long bone
Diaphysis
The shaft of the long bone
Articular Cartilage
Padding for the epiphysis
Periosteum
Membrane that covers the long bone
Medullary Cavity
The hollow space filled with bone marrow within the long bone
