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The human stomach is filled with acid, and the lining of your stomach contains small muscles. During the digestive process, your stomach churns your already-chewed food both mechanically (muscle movement) and chemically (stomach acid). It then moves on to the small intestines where this process continues. Your food is not fully digested in your stomach btw. The entire process of digestion takes approximately 4 hours or so. Therefore, at 10:00 AM your breakfast has only just finished being digested... if you had breakfast at 6:00 AM.

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13y ago

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