Skeletal SystemSkeletal System

FORM AND FUNCTIONFORM AND FUNCTION

Skeletal system: The FrameworkSkeletal system: The Framework

Two basic partsTwo basic parts– CartilageCartilage

Cartilage graftCartilage graft

– BoneBone

A: CartilageA: CartilageHyaline Cartilage•Flexible support•Most abundant

•Nose•Ribs•Joint linings

Elastic Cartilage•More stretchy

•Ears•Epiglottis

Fibro-cartilage•Very strong•High stress areas

•Knee•Vertebrae

B: BonesB: Bones

Spongy Bone:•Strength and support

Bone Marrow:•Blood cell production

Compact Bone:•Protection•Mineral storage

C: ConnectionsC: Connections

Ligament:Ligament:– Made of cartilageMade of cartilage– Connects bone to Connects bone to

bonebone Tendon:Tendon:

– Made of cartilageMade of cartilage– Connects muscle to Connects muscle to

bonebone

The real dealThe real deal

Connections continuedConnections continued

Joints:Joints:– Places where two Places where two

bones meetbones meet– 4 types4 types

Fixed Fixed HingeHinge Ball and socketBall and socket GlidingGliding