Final answer:
The enzyme secreted in the mouth to begin chemical digestion is amylase, which breaks down carbohydrates into simpler sugars.
Explanation:
Amylase is the enzyme secreted in the mouth to begin chemical digestion. It helps break down carbohydrates into simpler sugars. For example, ptyalin is an amylase found in human saliva that initiates the digestion of starch.
Learn more about Chemical digestion enzymes here:
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