By week _____ fat begins to form
A) 6
B) 12
C) 18
D) 24
D) 24
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Research shows that myelination
a. may continue into early adulthood and beyond. b. is complete by the time the child is born. c. is enhanced by vitamin B intake. d. enhances cognitive functioning, but not motor functioning.
Any response that is made with the aim of doing harm is referred to as
a. aggression. b. assertion. c. circumvention. d. sublimation.
The chemicals that allow the transmission of signals between neurons are called
A. reuptake inhibitors. B. hormones. C. neurotransmitters. D. genes.
How does the brain regulate development of the infant's body?
a. by sending electrical signals to the muscles and bones b. through a predetermined sequence that is initiated at birth c. through the secretion of hormones d. through regulation of the somatic nervous system