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Saliva originates in the Mouth, but it certainly does, soon after ingestion-by-swallowing, become part of the gastric fluids.

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What acid is present in gastric fluid and in what concentration?

Hydrochloric acid is the main acid present in gastric fluid, typically at a concentration of about 0.5% to 1.5%. This strong acid helps to break down food in the stomach and create an acidic environment that is essential for digestion and the activation of enzymes.


Which equation represents the neutralization of acidic gastric fluid?

Gastric fluid would be hydrochloric acid. Calcium carbonate would be a common neutralizer. CaCO3 + 2HCl -> CaCl2 + CO2 + H2O a salt, water and carbon dioxide gas ( burp!) as products of this neutralization reaction.


Is water the same thing as Saliva?

No, water and saliva are not the same. Water is a neutral substance composed of oxygen and hydrogen molecules, while saliva is a watery fluid produced in the mouth containing enzymes for digestion.


What is is the relationship between chemical digestion and gastric fluid?

Chemical digestion is the process of breaking down large molecules into smaller ones for absorption. Gastric fluid, secreted by the cells in the stomach lining, contains enzymes such as pepsin that help break down proteins into amino acids. This fluid also contains hydrochloric acid, which aids in the digestion of food and kills harmful bacteria. Therefore, gastric fluid plays a crucial role in the chemical digestion of food in the stomach.


What is a mixture of mucus water and enzymes?

It is most likely referring to saliva, which is a fluid secreted by the salivary glands in the mouth. Saliva is a mixture of water, mucus, and enzymes (such as amylase) that help in digestion and lubrication of food in the mouth.