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Chewing or mastication is the process by which food is crushed and ground by the teeth. It is the first step in the process of digestion, allowing a greater surface area for digestive enzymes to break down the foods. During the mastication process, the food is positioned by the cheek and tongue between the teeth for grinding.
Chewing, in which the food is mixed with saliva, begins the mechanical process of digestion. This produces a bolus which is swallowed down the esophagus to enter the stomach. The second stage, the gastric phase, happens in the stomach.
Chewing tobacco is a type of smokeless tobacco product that is placed between the cheek and lower gum to draw out its flavor. It consists of coarsely chopped aged tobacco that is flavored and often sweetened; it is not ground fine like dipping tobacco .
The digestion process doesn't start in the stomach, it begins in the mouth. And the first step of digestion is chewing. 5 surprising signs you're chewing your food wrong
The chewing process reduces cavities by clearing out the grooves of the back teeth.” ... Which chewing gum is best for kids? The best chewing gum for kids is one that’s sugar-free and contains ...
Chewing gum is a soft, cohesive substance designed to be chewed without being swallowed. Modern chewing gum is composed of gum base, sweeteners, softeners/plasticizers, flavors, colors, and, typically, a hard or powdered polyol coating. [1]
Chewing gum can reportedly help keep your teeth healthy, fight nausea and drowsiness, and reduce heartburn. It can also curb food cravings — which means it can help with weight loss, too.
Underlying the process is muscle movement throughout the system through swallowing and peristalsis. Each step in digestion requires energy, and thus imposes an "overhead charge" on the energy made available from absorbed substances. Differences in that overhead cost are important influences on lifestyle, behavior, and even physical structures.