Bolus is swallowed and travels down the oesophagus to the stomach for digestion. Once the bolus reaches the stomach, it mixes with gastric juices and becomes chyme. The chyme then travels though the intestines and moves on for further digestion and absorption.
Peristalsis: the involuntary constriction and relaxation of the muscles of the intestine or another canal, creating wave-like movements that push the contents of the canal forward.
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