The body's electrical highway
Chapter 1
How nerves send lightning messages
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Chapter 2
Inside the brain's command center
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Chapter 3
The body's automatic survival systems
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Chapter 4
The brain's incredible shape-shifting power
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YOUR GOAL
Master of The body's electrical highway
Ch 2 · Inside the brain's command center
Fun Fact
Brain energy: Although the brain makes up only 2% of your body weight, it consumes 20% of your body's daily energy.
Glossary
brain (noun)
An organ of soft nervous tissue contained in the skull of vertebrates, functioning as the coordinating center of sensation and intellectual and nervous activity. In 1937, neurosurgeon Wilder Penfield mapped this organ's motor cortex, demonstrating how it controls voluntary movements.
An organ of soft nervous tissue contained in the skull of vertebrates, functioning as the coordinating center of sensation and intellectual and nervous activity. In 1937, neurosurgeon Wilder Penfield mapped this organ's motor cortex, demonstrating how it controls voluntary movements.
Quiz
If you flattened out the human cerebral cortex, what would its approximate surface area be?