Examlex
Physical activity may reduce some of the cognitive declines that come from aging.
Gray Matter
The regions of the brain and spinal cord that are made up primarily of neuronal cell bodies and synapses, crucial for processing and integrating information.
White Matter
White matter consists of myelinated axons in the brain and spinal cord that transmit signals quickly across different brain regions, facilitating communication within the nervous system.
Thalamus
A part of the brain that serves as a relay station, transmitting information between different areas of the brain.
Hypothalamus
A region of the brain that coordinates many activities, including temperature regulation, thirst, hunger, and emotional activity.
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