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As a person age, his or her levels of cardiorespiratory fitness tend to...
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Female gains in body fat starting around puberty can result in a cycle of diminished physical fitness...
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The cardiovascular system helps move hormones throughout the body during exercise...
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The maximum oxygen uptake is known as the...
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During exercise, the oxygen concentration in the blood increases to twice that of resting levels...
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Why are slow-twitch muscles more beneficial than fast-twitch muscles for cardiorespiratory fitness?
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Slow-twitch muscles are able to use oxygen more efficiently than fast-twitch muscles.
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As exercise levels increase, which of the following physiological changes occurs in the respiratory system?
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The lungs expand in size.
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For a typical person who leads a sedentary lifestyle, a typical maximum oxygen intake level would be...
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The maximum oxygen intake level can only be measured using the multistage fitness test...
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Optimal cardiorespiratory fitness requires a BMI of...
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During exercise, an individual's heart rate tends to increase steadily until...
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A level of consistent intensity has been reached.
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Which of the following physiological effects occurs as a result of increased exercise?
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The volume of blood pumped by the heart increases.
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As people age, they become unable to confirm their cardiorespiratory fitness levels...
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Increasing cardiorespiratory fitness levels is difficult for the experience athletes because...
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They have already achieved high levels of cardiorespiratory fitness.
