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  • Human Physiology
  • Which of these regions has/have the highest pH?
Multiple choice

Which of these regions has/have the highest pH?

  1. Mouth cavity

  2. Stomach

  3. Duodenum

  4. Rectum

  5. All of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Duodenum is correct as it is the site where neutralisation of acidic chyme occurs with bicarbonate ions.

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