The lower esophageal sphincter is responsible for

The primary function of the LES is to control flow of luminal contents between the esophagus and stomach and to serve as a physical barrier against the occurrence of gastroesophageal reflux (GER) (ie, retrograde flow of gastric contents from the stomach into the esophagus).

Explanation:

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answer; (c); to assure that workers have the right to a safe workplace and that it is the employer's responsibility to provide safe and healthy workplace;

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