<span>Stomach. Stomach which connects oesophagus to small intestine is the main part of digestive system where digestion occurs. Protein is a necessary food content for the healthy being of body. From the food proteins are liberated and its chemical digestion starts in the stomach.</span>
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A) Short course of antiviral drugs and antibiotics
Classification systems are essential to science; they act as the scaffolding that enables scientists to stand up close and get to know plants
