Presence of synovial fluid between the knee joint structure help minimize friction between the femur and the tibia.
Synovial fluid minimizes friction between the joints of body. Other than that, it also provides nutrients to the joints and also helps in removal of wastes. The fluid is released by the cartilages. It protects the bones from wear and tear.
Femur is the bone of the upper leg. It is the longest, thick as well as strongest bone of the body. It acts as a joint between the hip bone and the knee bone. It is responsible for the movement of legs of a person.
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