Giraffes, Siphons and Starling Resistors

Giraffes aren't all that smart. But they can still teach us something. And they can surprise us. Here's how they get blood all the way to their heads and back again - whether their head is up chewing acacia trees or down drinking water.

Keywords: Giraffes, Siphons, Starling resistor, Cerebral Perfusion, Cerebral Perfusion Pressure