Which is false about synovial joints?
A. Synovial fluid is secreted by the synovial membrane.
B. All articulating bone surfaces are covered with articular cartilage.
C. Ligaments strengthen and reinforce joints.
D. Synovial joints are enclosed by fibrous articular capsules.
E. Blood circulates within the joint cavity to nourish the articular cartilage.
Answer: E
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