[Campbell Biology P.947] Based on the "Study Tip" flowchart for human digestion, which of th... | Practice Question

Based on the "Study Tip" flowchart for human digestion, which of the following represents the correct sequence of events?

  • A: Denaturation of proteins in the stomach -> Food breakdown in oral cavity -> Transfer to esophagus.
  • B: Food breakdown in oral cavity -> Transfer to esophagus -> Denaturation of proteins in the stomach.
  • C: Transfer to esophagus -> Denaturation of proteins in the stomach -> Food breakdown in oral cavity.
  • D: Food breakdown in esophagus -> Transfer to stomach -> Denaturation of proteins in oral cavity.

Explanation

The "Study Tip" flowchart clearly lists the steps: 1. "Break food into smaller pieces and mix with saliva oral cavity ", 2. "Transfer boluses of food to stomach esophagus ", and 3. "Denature proteins in food stomach ". This exact sequence matches the correct option.