Which is a gaseous waste product of metabolism that is exhaled by the lungs?
A) carbon dioxide
B) oxygen
C) carbon monoxide
D) oxyhemoglobin
A
Explanation: A) Correct!
B) Oxygen is not exhaled.
C) Carbon monoxide is not a waste product of metabolism.
D) Oxyhemoglobin carries oxygen; it is not a waste product of metabolism.
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Which of the following is NOT one of the three types of muscles found in the body?
A) skeletal B) motor C) smooth D) cardiac
A suffix that means tone is ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements about the prevalence of eating disorders is FALSE?
A. Eating disorders are more prevalent where food is abundant. B. The frequency of eating disorders is higher where being attractive is related to being thin. C. Eating disorders are mainly found in Western developed countries. D. In the last 30 years, the number of diagnosed cases of eating disorders in the United States has declined.
Interval training within the context of aerobic workouts involves
A. increasing the time you normally exercise. B. exercising for several days in a row, followed by an interval of several days off. C. adding faster or higher intensity sprints within a given workout. D. adding longer cool-down intervals to exercise.