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Human Digestion

The salivary glands are the first to react in the digestive process, which are usually triggered by either the sight or the smell of food. Food enters the digestive tract through the mouth where the teeth, tongue, and salivary glands help moisten and break down the food within minutes. The food then becomes something called a bolus, which will travel through the pharynx, then through the esophagus, and into the stomach. As the food travels through the pharynx the epiglottis is in place to prevent food from entering the lungs. Once the bolus enters the stomach it is broken down with acid secretions. The food is partially digested within the stomach. The bolus then becomes chyme (a semiliquid food). Chyme…

Human digestion

The salivary glands are the first to react in the digestive process, which are usually triggered by either the sight or the smell of food. Food enters the digestive tract through the mouth where the teeth, tongue, and salivary glands help moisten and break down the food within minutes. The food then becomes something called a bolus, which will travel through the pharynx, then through the esophagus, and into the stomach. As the food travels through the pharynx the epiglottis is in place to prevent food from entering the lungs. Once the bolus enters the stomach it is broken down with acid secretions. The food is partially digested within the stomach. The bolus then becomes chyme (a semiliquid food). Chyme…