Access to this video is a benefit for members through
Up Next
Back to Show
Watch Preview
Human: The World Within
React
Season 1
Episode 6
Through the lens of a boxer, a first responder, a cell tower climber and a man with a bionic limb, go deep into the universe of the most powerful machine on earth: the human brain and the vast nervous system it controls.
Support Provided By
Unlock with PBS Passport
52:33
Explore the incredible world of human sensation and how it defines our reality.
Unlock with PBS Passport
52:33
Uncover how the human body defends itself in an increasingly dangerous global environment.
Unlock with PBS Passport
52:33
Journey through the factory at the center of our bodies that turns food into energy.
Unlock with PBS Passport
52:30
See the world beneath the human heartbeat that makes our craziest feats possible.
Unlock with PBS Passport
52:30
Learn the story of human reproduction from attraction to a baby’s first breath.