Examlex
Lithium has an atomic number of 3. How many electrons are there in the outermost (valence) shell?
Prefrontal Cortex
A region of the brain located in the frontal lobes, involved in complex cognitive behaviors, decision-making, and moderating social behavior.
Limbic System
A complex system of nerves and networks in the brain, involved in basic emotions and drives such as fear, pleasure, and anger.
Amygdala
A section of the brain that is part of the limbic system and is crucial for emotion processing, decision-making, and memory.
Hypothalamus
A small but crucial part of the brain that plays a key role in hormone production, regulation of body temperature, hunger, thirst, and circadian rhythms.
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