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Why is there food acid in the stomach and alkaline in the small intestine?
Wiki User
∙ 13y ago
The acidic environment of the stomach helps break down foodstuffs that was ingested and also kills potential bacteria. The alkaline environment of the intestines facilitates the absorption of nutrients.
Wiki User
∙ 13y ago
Wiki User
∙ 14y agoThe stomach is regulated to maintain a pH of about 2-3. If pH is rises above this HCl secretion is stimulated. If it goes below HCl secretion is inhibited.
Wiki User
∙ 6y agoThe pH of the stomach is strongly acidic. The pH of the intestine is alkaline. So the secretion of the stomach is much lower as compared to that of small intestine.
Wiki User
∙ 11y agoin the digestive system
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Where is hydrochloric acid added to food mass?
the stomach
How does the lining of the stomach compare with the lining of the small intestine?
The lining of the stomach has less surface area than the lining of the small intestine. The stomach lining has a mucus coating that protects it from acid while the lining of the small intestine is less coated.
What is a stomach secretion needed for absorption of what vitamin from the small intestine?
Gastric acid
Do enzymes in the small intestine need an acidic environment in order to work?
No, the small intestine do not need an acidic environment in order to work. Acid works in stomach to partially digest the food. In the small intestines, fats are digested using bile from the gallbladder which is not acidic.
What does acid in the stomach do?
Acid breaks the food from big molecules to small, tiny molecules so that small intestine can easily digest it.
What gland of the endocrine system secretes bicarbonate which neutralizes stomach acid into the small intestine?
The duodenum has special glands, Brunner's glands, that secrete an alkaline fluid to counteract the acidity of the chyme from the stomach which uses hydrochloric acid as part of its digestion of proteins.
Is the small intestine acidic?
The secretions of the stomach are acidic. The acid is too strong than you can imagine. The pH is as low as 2. The secretions of the stomach remain acidic till the mid-part of the second part of the duodenum. Here the alkaline secretions of the liver and the pancreas enter the duodenum to counter the acidic secretions of the stomach.
Does the small intestine absorb water and alcohol and initiate protein breakdown?
The breakdown of protein initiates in stomach by the action of the stomach acid.
What happen when stomach acid and sodium bicarbonate come together in the small intestine?
When stomach acids, like HCl and pepsin, come in contact with sodium bicarbonate the pH level become more alkaline and less acidic. So the pH level rises.
Which substance neutralizes stomach acid as chyme enters the small intestine?
Bicarbonate is the secretion that neutralizes stomach acid as chyme enters the small intestine. Bicarbonate is necessary because chyme is highly acidic. Bicarbonate is created in the pancreas.
What happens to food after it leaves the stomach?
The stomach is filled with Hydrochloric acid that signals the entrance of pepsin for the pancreas, the food is then churned by the (smooth) muscles into the stomach until the newly formed chyme (food) is released into the small intestine.
What is the Ph of the small intestine?
Because it is the ideal pH for enzymes in intestine to work
