Examlex
What effect did the establishment of an extensive railway system have on the American economy?
Gender Constancy
The understanding, usually developed by children around age 6 or 7, that one's gender is fixed and does not change over time or due to superficial alterations in appearance or activities.
Hypothalamus
A region of the brain responsible for producing hormones that regulate bodily functions such as temperature, hunger, and thirst.
Visuospatial Skills
Abilities related to understanding, perceiving, and manipulating shapes and figures in a spatial or visual context.
Emotional Expression
The way that an individual's internal emotional state is conveyed to others through facial expressions, gestures, and voice.
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