Cartilage
The answer is cartilage
cartilage :{D
Actually it's cartilages and the synovial fluid which makes the joint movements smooth.....
The connective tissue that appears to be glassy and smooth is known as hyaline cartilage. It covers the end of the long bones so as to avoid compression.
Periosteum covers bones. It is a fine tissue.
Each bone has a tough, smooth, shiny substance that covers the end. This substance that covers the ends of bones is called cartilage.
it is the ligament
cartilage
cartilage
makes your joint bones move more smoothly.
Bone.
Usually smooth muscle, that or cartilage because that cushions your bones