The involuntary constriction and relaxation of the muscles of the intestine or another canal , creating wave-like movements which push the contents of the canal forward is peristalsis.
an animal or human that eats a variety of food of both plant and animal origin is an omnivore.
the opening from the stomach into the duodenum is pylorus.
a unit of energy of one thousand calories (equal to one large calorie) is kilo calorie .
the rate at which the body uses energy while at rest to maintain vital functions such ac breathing and keeping warm is basal metabolic rate .