Nothing created by man compares to the magnificent design of the human body. For example, today you will produce 10 liters of digestive juices to break down the food you eat to enable it to pass through your ‘inside skin’, the gastrointestinal wall. Your intestine is a 30-foot long tract with a surface area the size of a small football pitch, which effectively replaces itself every four days. The health of your gastrointestinal tract is maintained by a team of between 300 and 4,000 strains of bacteria and other microorganisms.
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