Ivan Pavlov , Russian psychologist
said about Body, canal, World...
"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 Read all Ivan Pavlov quotes, or find out more about Ivan Pavlov
"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