The function of bicarbonate ion in digestive tract is toANeutralize stomach acidBPromote phagocytosis by white blood cellsCCarry oxygen to the lungsDHelp in the blood clotting mechanismENone of the Above

When the acidic chyme enters into the small intestine from stomach, stomach secretes bicarbonate ions in a large amount in the intestine. It acts as a buffer to break down and dilute the acidic content and increases the pH of the chyme. So, that pancreatic digestive enzyme becomes active for further digestion.