Transcript Skeletal System - School District of La Crosse

Skeletal System
FORM AND FUNCTION
Skeletal system: The Framework

Two basic parts
– Cartilage
 Cartilage
– Bone
graft
A: Cartilage
Hyaline Cartilage
•Flexible support
•Most abundant
•Nose
•Ribs
•Joint linings
Fibro-cartilage
•Very strong
•High stress areas
•Knee
•Vertebrae
Elastic Cartilage
•More stretchy
•Ears
•Epiglottis
Compact Bone:
•Protection
•Mineral storage
B: Bones
Spongy Bone:
•Strength and support
Bone Marrow:
•Blood cell production
C: Connections

Ligament:
– Made of cartilage
– Connects bone to
bone

Tendon:
– Made of cartilage
– Connects muscle to
bone
The real deal
Connections continued

Joints:
– Places where two
bones meet
– 4 types
 Fixed
 Hinge
 Ball
and socket
 Gliding