The 'Law of the Gut' (Polarity of the intestine) primarily refers to the fact that:
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Correct answer: Peristaltic waves always travel in the aboral direction
The Law of the Gut states that the intestine always propels its contents in the anal (aboral) direction. This polarity is established by the enteric nervous system, which coordinates contraction behind the bolus and relaxation ahead of it.
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