Body Quote by George C. Williams

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…

— Ivan Pavlov

“These Cro-Magnon people were identical to us: they had the same physique, the same brain, the same looks. And, unlike all previous hominids who…

— Bill Bryson

The development of the Vertebrate proceeds from an axis upward, in two layers, which coalesce at the edges, and also downward, in two layers,…

— Karl Ernst von Baer

When we eat fiber, it simply passes straight through, untouched by the digestive system

— Anonymous

Your digestive system is your body's Fun House, whereby food goes on a long, dark, scary ride, taking all kinds of unexpected twists and…

— Dave Barry

It is possible to state as a general principle that the mesodermic phagocytes, which originally (as in the sponges of our days) acted as…

— Elie Metchnikoff

“Since the stomach gives no obvious external sign of its workings, investigators of gastric movements have hitherto been obliged to confine their studies to…

— Walter Bradford Cannon

At either end of any food chain you find a biological system-a patch of soil, a human body-and the health of one is connected-literally-to…

— Michael Pollan

The human digestive and visual systems did clearly evolve over a very long period.

— Noam Chomsky

Guts are important. Your guts are what digest things. But it is your brains that tell you which things to swallow and which not…

— Austin Dacey

Why it is that animals, instead of developing in a simple and straightforward way, undergo in the course of their growth a series of…

— Francis Maitland Balfour

We humans have many vestigial features proving that we evolved. The most famous is the appendix.

— Jerry A. Coyne