Hope this answers your questions, Joe,

though most of it is stuff you already know.

A video here, and not a dope rhyme,

just about six minutes of your time.

I beg your pardon for my verbosity;

But I hope this quells your curiosity! ^_^

Public domain images used:

CERN gif

Spine.

Yellow Emperor Huangdi.

Huangdi Neijing.

Sweat!

 Brain!