Which of the following best describes why food moves through the digestive system from the mouth toward the anus?
A)Emulsification
B)Mastication
C)Defecation
D)Peristalsis

Question

Quizplus · Accepted Answer

Peristalsis is the involuntary contraction and relaxation of muscles in the walls of the digestive system that moves food along the gastrointestinal tract from the mouth to the anus. Food does not move due to emulsification, which is the breakdown of fats into smaller droplets, mastication is the chewing and grinding of food in the mouth, and defecation is the elimination of waste from the body.

Which of the Following Best Describes Why Food Moves Through