Multiple choice

Which of the following gets stimulated by the smell or sight of food during cephalic phase of digestion?

  1. Medulla oblongata

  2. Hypothalamus

  3. Cerebral cortex

  4. Vagus nerves
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The cephalic phase occurs at the sight, thought and smell of food, which stimulates the cerebral cortex. Cephalic phase causes ECL (enterochromaffin-like cells) to secrete histamine and increases HCl acid in the stomach.

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