Multiple choice

Which among the following statements is TRUE regarding the salivary secretion and swallowing in human beings?

  1. The segmentation movements propel down the bolus .

  2. The pH of saliva in the buccal cavity accelerates as its rate of secretion increases.

  3. Hormones play more significant role than nerves in the governing of salivary secretion.

  4. Swallowing in humans is a totally voluntary activity.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

As salivary secretion increases, so does its bicarbonate concentration. This results in an increase in salivary pH.

Keep practicing — related questions