"Edible substances evoke the secretion of thick, concentrated saliva. Why? The answer, obviously, is that this enables the mass of food to pass smoothly through the tube leading from the mouth into the stomach.


-Ivan Pavlov

food kategorisinde yayınlandı


Ivan Pavlov sözü hakkında food: "Edible substances evoke the secretion of thick, concentrated saliva. Why? The answer, obviously, is ..."