The body’s line of defense against HCl
The body’s line of defense against HCl: The esophagus, stomach, and small intestine each have their own mechanisms for protection against the dangerously low pH of stomach acid, whether keeping acid away from sensitive tissues or neutralizing acid already present. ESOPHOGUS *Peristalsis clears the esophagus by pushing stomach contents back into the stomach; gravity also aids…
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