Which is not an effect of aging?
a. hearing and vision become less sharp.
b. skin becomes drier and less elastic
c. bones shrink and become more brittle.
d. secondary sex characteristics appear.

Which of these is a sexual stereotype? a) on average, males are taller than females. b) people over the age of 60 are not interested in sex. c) male hormone levels differ from those of females. d) there are more male representatives than female representatives in congress.

Which of the following is not a symptom of chronic fatigue syndrome

Which of the following is an important part of good posture? a. slumped shoulders b. arched back c. feet shoulder-width apart d. belly out