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The Brain
Term | Definition |
---|---|
skull | bony cover that protects the brain |
neurons | cells that carry messages to and from the brain |
brain | the body’s control center |
cerebral cortex | wrinkled, folded surface of the cerebrum |
long-term memory | stores information for a long time |
short-term memory | stores information that happened minutes or hours ago |
REM | stage of sleep when you begin dreaming |
impulses | electrical signals that carry messages through the nervous system |
backbone | bony cover that protects the spinal cord |
spinal cord | long bundle of nerves inside the backbone |
cerebrum | controls memory, thinking, and learning |
cerebellum | controls balance and coordination |
brain stem | control involuntary activities (breathing, heart rate) |