Learn, Compare, Collect The Facts!

Perfect As The Wing Of A Bird May Be, It Will Never Enable The Bird To Fly.

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.

The Sun-paul Must Consider Only One Thing: What Is The Relation Of This Or That External Reaction Of The Animal To The Phenomena Of The External World?

Appetite, Craving For Food, Is A Constant And Powerful Stimulator Of The Gastric Glands.

Learn, Compare, Collect The Facts!