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Human: The World Within
Fuel
Season 1
Episode 3
Through the worlds of a religious faster, an ultra-marathon runner, a farmer and a young girl beating allergies, go deep into the world of the human gut, which processes the fuel our bodies need to keep going.
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52:30
See how the technology of the brain and nervous system shape our experience of the world.
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52:33
Explore the incredible world of human sensation and how it defines our reality.
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52:33
Uncover how the human body defends itself in an increasingly dangerous global environment.
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52:30
See the world beneath the human heartbeat that makes our craziest feats possible.
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52:30
Learn the story of human reproduction from attraction to a baby’s first breath.