Leonid Rusin
The human gastrointestinal tract is a long, muscular tube that extends from the mouth to the anus, and is responsible for the digestion and absorption of nutrients from food. The human gastrointestinal (GI) tract, also known as the digestive system, is a complex series of organs that work together to break down food and absorb nutrients. It consists of several organs, including the mouth, esophagus, stomach, small intestine, large intestine, rectum, and anus.
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