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What are joints? | Functions of Joints - Sharecare

2019-6-28 · Joints connect bones within your body, bear weight and enable you to move. They are made up of bone, muscles, synovial fluid, cartilage and ligaments. Joints aren't all alike, however. Hinge joints are found in your elbows and knees, while ball-and-socket joints are needed for the hips and shoulders.

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