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Season 1
A human being begins life with one cell, and over a lifetime, grows to contain more than 37 trillion cells.
A human being begins life with one cell, and over a lifetime, grows to contain more than 37 trillion cells.
Every day the human body fights infections and repairs damage from outside threats in order to survive.
Every day the human body fights infections and repairs damage from outside threats in order to survive.
The brain and body work together, adapting to the outside environment and developing new skills; the brain forms memories by storing and processing billions of pieces of information each second.
The brain and body work together, adapting to the outside environment and developing new skills; the brain forms memories by storing and processing billions of pieces of information each second.
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