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Dipesh kataria
Jun 29, 2021, 4:26 PM
A muscle ring in the lower esophagus prevents food from returning from the stomach back to the esophagus. This ring, which acts as a non-return valve, is called the lower esophageal sphincter (CSF).
When this valve does not close completely for some reason, the stomach contents may return to the esophagus. This is called gastroesophageal reflux disease.
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Dipesh kataria
Jun 29, 2021, 4:20 PM
The dog is known to be our best friend. And generally, we know a lot about our best friends. So,...
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Dipesh kataria
Jun 29, 2021, 4:18 PM
10 facts about women's sport
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