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It reduces friction and absorbs shock. Bone on bone would grind them away. A lot like if a person grinds their teeth too much (but worse because enamel on teeth protects them).

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โˆ™ 2011-04-08 05:55:06
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Q: Why are joints covered by cartilage?
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Related questions

Bones in your joints are covered with a smooth and slippery material called?

cartilage


In symphysis joints the articular surfaces of the bones are covered with?

hyaline cartilage


Do synovial joints have bones covered in hyaline cartilage?

the ends of the bones are, yes


Do cartilage and tendons hold joints together?

Yes, cartilage and tendons hold joints together.


Functions of periosteum and explain why it is not found in synovial joints?

The periosteum provides nourishment and attachment sites on bone. Since the ends of bones in synovial joints are covered in hyaline cartilage, they do not need to be covered by the protective layer of periosteum.


Which part of the bone is covered by the articular cartilage?

Articular cartilage, also called hyaline cartilage, is the smooth, glistening white tissue that covers the surface of all the freely moveable joints, such as the knee and shoulder, in the human body.


Fixed joints are made secure by what?

Usually, a type of cartilage, such as fibrous cartilage in the case of fibrous joints.


What is the relation between cartilage and bones?

Cartilage cushions the joints


What system is the cartilage in?

The cartilage is found between all joints


How many joints in the hip have cartilage?

There are two hip joints


Is TMJ covered with fibrocartilage or hyaline cartilage?

The TMJ is covered with hyaline cartilage.


How do cartilage bursae and synovial fluid help reduce friction in the knee joints?

Bone articulate at joints. There are several kinds of joints. The most flexible are the synovial joints, such as the knee and elbow. In these joints the ends of the bones are covered with articular cartilage. The cartilage protects the ends of the bones. Synovial fluid bathes the cartilage to provide lubrication. This is just like oil in a door hinge to keep it running smoothly. The bursa is a bag that surrounds the joint. It's job is to hold the fluid in the joint. The lining of the bursal also makes the fluid. It is a neat system to keep the joints "oiled".

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