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Human: The World Within

The Human Body's Nervous System

An introduction to the amazing functions of the human body's nervous system. This extremely advanced part of our biology is always at work interpreting the world we encounter and helping us decide what to do, and how to react. The secrets of our thoughts and decisions are locked into this astonishing network of cells, nerves, and fibers.

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Full Episodes
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Episode
52:30
Human: The World Within

React

See how the technology of the brain and nervous system shape our experience of the world.
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Episode
52:33
Human: The World Within

Sense

Explore the incredible world of human sensation and how it defines our reality.
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Episode
52:33
Human: The World Within

Defend

Uncover how the human body defends itself in an increasingly dangerous global environment.
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Episode
52:33
Human: The World Within

Fuel

Journey through the factory at the center of our bodies that turns food into energy.
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Episode
52:30
Human: The World Within

Pulse

See the world beneath the human heartbeat that makes our craziest feats possible.
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Episode
52:30
Human: The World Within

Birth

Learn the story of human reproduction from attraction to a baby’s first breath.
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