One kind of sexual disorder, ________, is probably one of the most embarrassing of disorders for adolescent males and is characterized by the inability to achieve or maintain an erection

The American College of Sports Medicine and the Center for Disease Control and Prevention recommend that people should accumulate

a) 10 minutes of moderate physical activity at least 7 days a week. b) 60 minutes of moderate physical activity at least 4 days a week. c) 30 minutes of moderate physical activity at least 2 days a week. d) 30 minutes of moderate physical activity at least 5 days a week.

Allport considered an infant's relationship with the _____ to be the primary source of affection and security, conditions crucial to later personality development

a. brother c. father b. sister d. mother