Which component of physical fitness does stretching improve?
A) body composition B) flexibility
C) cardiorespiratory fitness D) blood insulin levels
B
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Families with limited resources have a high prevalence of obesity, partly because:
a. they obtain more food than they need from food banks. b. they have low levels of physical activity because of depression. c. inexpensive foods tend to be energy-dense foods. d. eating takes their mind off the other problems associated with poverty.
In general, people who are concerned about nutrition should make changes in food sources of several substances. List those
Which portion of the stomach is involved in mixing foodstuffs?
a. pylorus b. antrum c. fundus
The two factors that best explain the increased risk for osteoporosis in elite female distance runners are:
a. age and poor diet. b. African-American heritage and poor diet. c. positive family history and low estrogen. d. low energy intake and low estrogen.