Foods such as potatoes, rice, corn and wheat contain starch granules which are important energy sources for humans. The human digestive process breaks down the starch into glucose units with the aid of enzymes, and those glucose molecules can circulate in the blood stream as an energy source (hyperphysics.phy-astr.gsu.edu). When oxidized in the body in the process called metabolism, glucose produces carbon dioxide, water, and some nitrogen compounds and in the process provides energy which can be…
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