Answer: The motivation to exercise has to do mostly with how you think about exercise.
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And the answer is A. U.S. Government websites.
During the digestion process, the first step would be mastication, lubrication with the saliva, and later on is being formed into a bolus. Bolus is the term used for food substance that is turned into small balls. When the bolus is formed, this is then pushed or moved to the stomach.