Compared to girls, boys
A)tend to coruminate more among their friends.
B)typically focus on achievement and status in their friendships.
C)form friendships that are more intimate.
D)have same-sex friendships that are of shorter duration.
Secretions of __________ and __________ increase during puberty, leading to tremendous
gains in body size and to attainment of skeletal maturity.
A)estrogens; adrenal androgens
B)epinephrine; adrenal androgens
C)growth hormone (GH); thyroxine
D)melatonin; growth hormone (GH)
Without medical intervention, children who suffer from __________ reach an average
mature height of only 4 to 4½ feet.
A)growth hormone (GH) deficiency
B)estrogen deficiency
C)inadequate thyroxine
D)thyroid-stimulating hormone (TSH) deficiency