Don't become a mere recorder of facts, but try to penetrate the mystery of their origin. Ivan Pavlov factmeremystery Change image and share on social
It is not accidental that all phenomena of human life are dominated by the search for daily bread - the oldest link connecting all living things, man included, with the surrounding nature. Ivan Pavlov accidentalbreadconnect Change image and share on social
Finally, as the digestive canal is a complex system, a series of separate chemical laboratories, I cut the connections between them in order to investigate the course of phenomena in each particular laboratory; thus I resolved the digestive canal into several separate parts. Ivan Pavlov canalchemicalcomplex share on social
It goes without saying that the desire to accomplish the task with more confidence, to avoid wasting time and labour, and to spare our experimental animals as much as possible, made us strictly observe all the precautions taken by surgeons in respect to their patients. Ivan Pavlov accomplishanimalavoid share on social
The digestive canal represents a tube passing through the entire organism and communicating with the external world, i.e. as it were the external surface of the body, but turned inwards and thus hidden in the organism. Ivan Pavlov bodycanalcommunicate share on social
In the case of the stomach, however, the nerves of the glandular cells were always severed when constructing an artificially isolated pouch and this, naturally, affected the normal work of the stomach. Ivan Pavlov affectartificiallycase share on social
Our experiments not only proved the existence of a nervous apparatus in the above-mentioned glands, but also disclosed some facts clearly showing the participation of these nerves in normal activity. Ivan Pavlov activityapparatusdisclose Change image and share on social
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 answerconcentrateedible share on social
Only by observing this condition would the results of our work be regarded as fully conclusive and as having elucidated the normal course of the phenomena. Ivan Pavlov conclusiveconditionelucidate Change image and share on social
The gastric laboratory uses its protein ferment under an acid reaction. Ivan Pavlov acidfermentgastric Change image and share on social