The acronym DIRT represents the four variables affecting high-intensity interval training. The "D" stands for ____
a. direction
b. duration
c. density
d. drive
e. distance
e
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The central nervous system consists of all the following but the:
A) brain B) cranial nerves C) spinal cord D) all of the above
The innermost layer of the atmosphere is called the
A. biosphere. B. stratosphere. C. troposphere. D. ozone.
Common conditions that lead to lead poisoning include all of the following except:
a. older homes with dilapidated lead paint. b. eating paint chips that contain lead. c. ingestion of household dust that contains lead. d. drinking water that has passed through corroded plumbing.
Which of the following BEST represents the relationship between physical fitness and exercise?
A. Physical fitness requires more strenuous activity than exercise. B. Exercise is a subset of physical fitness. C. Physical fitness is the same as exercise. D. There is no relationship between physical fitness and exercise.