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Chapter 5 Human Anatomy (Bones (Functions (Stores minerals and fats…
Chapter 5 Human Anatomy
Joints
Function
Hold bones together
Allow for mobility
Classification
Functionally
Structurally
Fibrous
Generally immovable
Example
Sutures
Cartilaginous
Slightly moveable
Example
Pubic Symphysis
Syonvial
Freely moving
Example
Knee joint
Synarthroses
Immovable
Amphiarthroses
Slightly moving
Diarthroses
Freely moving
Bones
Subdivisons of Skeleton
Appendicular Skeleton
Axial Skeleton
Functions
Supports the body
Protects soft organs
Allow movement due to attached skeletal muscles
Stores minerals and fats
Calcium
Phosphorus
Blood cell formation
Approximately 206 bones in the adult skeleton
Bone tissue
Compact bone
Homogeneous
Spongy bone
Small needle-like pieces of bone
Many open spaces
Classification of Bones
Long bones
Typically longer than they are wide
Have a shaft with heads at both ends
Contain mostly compact bone
Examples
Humerus
Femur
Short bones
Generally cube-shape
Contain mostly spongy bone
Examples
Carpals
Tarsals
Flat bones
Thin, flattened, and usually curved
Two thin layers of compact bone surround a layer of spongy bone
Examples
Skull
Ribs
Sternum