Inadequate amount of surface area of the intestines can cause diarrhea.
Intestine are then tube like structure responsible for digestion of food and its absorption. There are two types of intestine in human body: small and large. Small intestine is majorly involved in digestion of food, especially the fats. Whereas large intestine is mainly involved in absorption. Small intestine is a very long structure present compactly packed surrounded by the large intestine.
Diarrhea is a condition where food is not digested properly. Its main symptom is the watery discharge of stools. It can be followed by other symptoms like nausea, weakness, pain, loss of appetite, etc.
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