What causes bone cracking and why does it happen? 535 viewsJanuary 3, 2024 Question90.43K April 8, 2021 0 Comments What causes bone cracking and why does it happen? In: Biology 1 Answer ActiveNewestOldest Anonymous Posted April 8, 2021 0 Comments Bubbles of nitrogen can form in your joints. When those bubbles escape, they make a popping noise. When you crack your knuckles, you are forcing the nitrogen bubbles inside the joint fluid out. Register or Login
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