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.
More Quotes from Ivan Pavlov:
Precise knowledge of what happens to the food entering the organism must be the subject of ideal physiology, the physiology of the future.Ivan Pavlov
Don't become a mere recorder of facts, but try to penetrate the mystery of their origin.
Ivan Pavlov
The gastric laboratory uses its protein ferment under an acid reaction.
Ivan Pavlov
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
Perfect as the wing of a bird may be, it will never enable the bird to fly if unsupported by the air. Facts are the air of science. Without them a man of science can never rise.
Ivan Pavlov
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Based on Topics: Body Quotes, World QuotesBased on Keywords: canal, digestive, inwards, tube
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