Puberty and onset of puberty for both males and females

peers

__________ aren't the source of displeasure

body parts

_____________ do not mature at the same rate for boys and girls

body fat

_____________ increases, more so for girls

muscle fibers

_______________ become thicker and denser; heart and lung capacity increase, more so for boys

mood shifts

____________________ are often associated with changes in activities and social settings

pleased

boys are more likely to be _______________ with appearance

idealized

boys are most displeased when falling short of an _______________ masculine body image

Puberty

collection of physical changes that marks the onset of adolescence, including a growth spurt and the growth of breasts or testes

growth spurt

during a _________________, girls are often much taller than boys of the same age

15; 17

during adolescent growth spurt, females gain as much as ___ lbs a year and boys ___ lbs

critical; dissatisfied

girls are more ____________ of their appearance and are likely to be __________________ especially when friends often discuss appearance

irritability; impulsivity

rapid increases in hormones are related to greater ______________ and ______________, but not moodiness

friends; adult

teens are more likely to report being in a good mood when with _______ or when recreating likely to report a bad mood when in ___________-regulated settings