Cartilage

-Tough
-Smooth
-Strong
-On the ends of the bone that move across each
-Stops friction
-Acts as a shock absorber

Cartilage can be damaged by
- Heavy impact- injury
-wear- tear
-stress
-lack of movement
Damage results in the bones grinding as they rub up against each other.

What is the difference between Osteoarthritis and Rheumatoid

Osteoarthritis is a joint that is inflammation.It is a form of arthritis that is a breakdown and a loss of the cartilage of more then one or more joints. The cartilage is a protein substance that serves as a ''Cushion''

Cartilage is a protein substance that serves as a "cushion" between the bones of the joints. 

Osteoarthritis symptoms and signs include
-Swollen joints
-joint stiffness