False. Cracking your knuckles is not the pulling of bones apart or letting air bubbles in between. The sound produced when you crack your knuckles is thought to be caused by the rapid release of gas (primarily carbon dioxide) that has dissolved in the synovial fluid of the joints, forming bubbles that pop. It is not the result of bones being pulled apart.
True or False. Cracking your knuckles is the pulling of bones apart and letting air bubbles in between. true or false
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