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How does the human body digest food when in space?

April 26, 2017body digest DRINK food Human

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How does the human body digest food when in space?

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Actually gravity is not needed. The food matter is moved along the digestive tract by muscle movement called peristalsis. The digestive tract (esophagus, stomach, small intestine, and large intestine) are not open pipes, but rather flattened tubes. They only expand when food is in them.