October 27th, 2014 at 6:52PM
laughingsquid: “A Fascinating Animated Graphic Demonstrating the Different Means by Which Humans, Birds, and Grasshoppers Breathe ”

laughingsquid:

A Fascinating Animated Graphic Demonstrating the Different Means by Which Humans, Birds, and Grasshoppers Breathe

(via laughingsquid)

494 notes Source: Laughing Squid #astrobio ref