Action
As soon as the bolus of food is received in the pharynx, the elevator muscles relax, the pharynx descends, and the constrictors contract upon the bolus, and convey it downward into the esophagus.
Read more about this topic: Superior Pharyngeal Constrictor Muscle
Famous quotes containing the word action:
“The world is full of judgment-days, and into every assembly that a man enters, in every action he attempts, he is gauged and stamped.”
—Ralph Waldo Emerson (18031882)
“Though with their high wrongs I am struck to the quick,
Yet with my nobler reason gainst my fury
Do I take part. The rarer action is
In virtue than in vengeance.”
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“The beginning, middle, and end of the birth, growth, and perfection of whatever we behold is from contraries, by contraries, and to contraries; and whatever contrarity is, there is action and reaction, there is motion, diversity, multitude, and order, there are degrees, succession and vicissitude.”
—Giordano Bruno (15481600)