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Vsevolod [243]
2 years ago
15

​Why do knuckles crack when you bend them

Biology
1 answer:
katrin [286]2 years ago
8 0

Answer:

The noise of cracking or popping in our joints is actually nitrogen bubbles bursting in our synovial fluid

Explanation:

It is because synovial fluid lubricates your joints like motor oil in a car's engine, reducing friction and preserving our cartilage.

<u><em>PLS MARK BRAINLIEST :D</em></u>

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