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This article delves into the human digestive system, highlighting its significant role as the largest immune and endocrine organ in the body. Covering areas larger than a football field, the digestive tract is home to trillions of microorganisms, outnumbering our body's cells. We will explore key components such as the stomach, small intestine, liver, gallbladder, and pancreas, and examine the processes of swallowing, peristalsis, and the digestion and absorption of nutrients. Additionally, we provide insights into the food guide pyramid for healthy eating.
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WHAT IS THIS? • The biggest immune organ • The biggest endocrine organ • Area more than a football field • Surrounded with more organisms than all the cells in our body