[Campbell Biology P.955] According to the text, which of the following statements about the ... | Practice Question

According to the text, which of the following statements about the timing and location of food processing in the human digestive system is correct?

  • A: Complete digestion and nutrient absorption primarily occur in the stomach over 2-6 hours.
  • B: Food takes 5-10 seconds to pass from the mouth to the stomach via the esophagus.
  • C: Undigested material is expelled from the small intestine as feces.
  • D: The large intestine is where most chemical digestion takes place.

Explanation

The first paragraph of the main text states: 'After food is chewed and swallowed, it takes 5-10 seconds for it to pass down the esophagus and into the stomach.' This directly supports option B.