Correct option is A
The lubricating fluid found between two bones at a movable joint is called Synovial fluid.
Information Booster:
- Synovial fluid is a viscous fluid that fills the joint cavity and provides several important functions, including:
- Lubrication: Reduces friction between the bones, allowing for smooth and effortless movement.
- Nutrition: Provides nutrients to the cartilage that covers the ends of the bones.
- Shock Absorption: Helps to cushion the impact of weight-bearing activities.