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muscles

Some people can flex muscles in their inner ears to produce low sound

May 8, 2014May 8, 2014 araho  Did you know that  ears, muscles

Contracting muscles produce vibration and sound. Slow twitch fibers produce 10 to 30 contractions per second (equivalent to 10 to 30 Hz sound frequency). Fast twitch fibers produce 30 to 70 contractions per second (equivalent to 30 to 70 Hz sound frequency). The vibration can be witnessed and felt by highly tensing one’s muscles, as […]

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