Research Essay - Diabetes a deficiency disease All living organisms need food to survive. Food provides energy for all the body functions and the manufacture of cells. The food we eat is digested into nutrients using physical and chemical processes. The body can then absorb the nutrients into the blood stream. (BBC 2011) Sugar and fats are broken down into energy using enzymes such as amylase in the stomach. Protein in food breaks down into amino acids which are used to build muscles and form the…
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