The ______ is vital in regulating body temperature, fluid concentrations, and motivation and emotional states.
a. thalamus
b. hypothalamus
c. basal ganglia
d. cerebellum
B
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Teenagers generally want to stay up later in the evening and sleep longer in the morning than children do. This may be due to____
a. ?increased amounts of norepinephrine in the central nervous system b. ?decreased autonomic nervous system activity c. ?the effects of marijuana d. ?changes in melatonin secretion
__________ is the only pituitary secretion produced continuously throughout life
A) Estrogen B) Thyroxine C) Growth hormone (GH) D) Testosterone
Nerves that leave the brain directly are called nerves
a. spinal b. cranial c. sympathetic d. peripheral
Before the age of three, most social activity involves simply being in the same place at the same time, without real social interactions
Indicate whether the statement is true or false.