joints

Tough
Smooth
Strong
On the end of bones that. Move across each other
Stops fricton
Acts as a shock absorber


Things that damage joints
Exiseing threw pain
Doing the same things over and over
Carrying heavy things
Not warming up

Osteo arthritis- makes the cartilage gritty and you can hear the sounds
Rheumatoid arthritis-  where the joins are inflamed.

Tendons- connect muscles to bone
Ligaments-connect bone to bone