Your Jaw Is Basically a Fish Gill (Plus Millions of Years of Evolution)

As you sit at your desk and chew your morning muffin, consider the complicated interlocking structure of your jaw. How did you manage to evolve such a thing? What you’re eating through is essentially a badly deformed but useful gill, and we’ll tell you how it got to be that way.

Source: Your Jaw Is Basically a Fish Gill (Plus Millions of Years of Evolution)

Too bad we can’t still breathe through water – stupid choking hazard :/