__________ is a series of wave-like muscle contractions that moves food to different processing stations in the digestive tract.
A
Ingestion
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B
Digestion
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C
Peristalsis
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D
Oesophagus
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Solution
The correct option is C Peristalsis Peristalsis is a series of wave-like muscle contractions that moves food to different processing stations in the digestive tract. The process of peristalsis begins in the oesophagus when a bolus of food is swallowed.