Which of the Following Statements Is Accurate About Physical Development

Multiple Choice

Which of the following statements is accurate about physical development during middle adulthood?​

A) During middle adulthood, reaction time decreases, whereas bone density increases.
B) During middle adulthood, basal metabolic rate increases, whereas lean-body mass increases.
C) During middle adulthood, lung capacity decreases, whereas body mass index increases.
D) During middle adulthood, lung capacity increases, whereas reaction time decreases.