Chyme remains in the stomach for approximately 2 hours because:
A) it must be converted to a much less acidic pH before entering the duodenum.
B) the ileocecal valve is too small to pass it all at once.
C) the duodenum can hold only a small fraction of the stomach volume.
D) moving food into the small intestine too quickly can lead to an ulcer.
Correct Answer:
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