Answer
Bursae are also synovial membrane-lined sacs that prevent friction between the bone. They are located where ligaments, muscles, joints, skin, and where tendons overlie. The friction reducing structures called tendon sheaths.
Work Step by Step
These are essential to our body. They are so essential, because as we would get older and walk more our bone would rub on each other causing friction which would cause damage like chipping for instance.
