PHOTOS: Go Inside the Human Body!

Revolutionary technology offers never-before-seen views of our bodies at work.

The Ultimate Machine: From Birth to Death

Inside the Living Body
Inside the Living Body
Inside the Living Body
Inside the Living Body
Inside the Living Body
Inside the Living Body
Inside the Living Body
Inside the Living Body
Inside the Living Body
Inside the Living Body
Inside the Living Body
Inside the Living Body
A CGI view of a male throat, showing how the larynx opens up and tilts forward and the vocal chords stretch wider during puberty. The longer chords vibrate at a different pitch, and the voice deepens. (National Geographic Channel)
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