L. Johnson was the president that did the fitness test into the act
The AV valves close first, then the semilunars open and close, then the AV valves open
Answer: The condyloid joints in the knee provide lubrication for movement. Condyloid joints are found between the metacarpal bones and the phalanges. Since condyloid joints are at an increased risk of injuries when compared to other type of joints in the human body.
Explanation:
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