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How do our bone joints function without ...

How do our bone joints function without grinding noise and pain?

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### Step-by-Step Solution: 1. **Understanding Bone Joints**: Bone joints are the connections between two or more bones that allow for movement. They can be classified into different types, with synovial joints being the most common and mobile. 2. **Role of Synovial Joints**: Synovial joints are characterized by a synovial cavity that separates the articulating surfaces of the bones. This cavity is crucial for the proper functioning of the joint. 3. **Presence of Synovial Fluid**: Within the synovial cavity, there is a special fluid known as synovial fluid. This fluid is secreted by the synovial membrane that lines the joint capsule. ...
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