What is the physical structure that vibrates to cause the reverbrations of a burp in a human?

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2007-03-26 07:27:50 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Biology

It's the vibration of the cardiac valve of the stomach (that's the valve that's between the stomach entrance and the esophagus)

2007-03-26 07:31:52 · answer #1 · answered by Brian L 7 · 0⤊ 0⤋

The sound of burping is caused by the vibration of the cardia (esophageal sphincter) as the gas passes through it.

2007-03-26 14:31:48 · answer #2 · answered by MSK 4 · 0⤊ 0⤋