Which of the following statements about movement of food in the gut is false?
A) Three sphincters are found in the vertebrate gut.
B) Peristalsis can move food in both directions.
C) Stretched smooth muscle contracts.
D) Peristalsis begins when food enters the glottis.
E) The muscle in a sphincter is normally contracted.

Question

Quizplus · Accepted Answer

Peristalsis begins in the esophagus, not the glottis. The glottis is part of the respiratory system and is not involved in the movement of food in the gut.

Which of the Following Statements About Movement of Food in the Gut