It is clear to all that the animal organism is a highly complex system consisting of an almost infinite series of parts connected both with one another and, ...

It is clear to all that the animal organism is a highly complex system consisting of an almost infinite series of parts connected both with one another and, as a total complex, with the surrounding world, with which it is in a state of equilibrium.

quote by Ivan Pavlov
Submitted by Lucian Velea
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