To benefit the cardiovascular system of young and middle-aged adults, endurance training must include
A. small-muscle activities performed 3 to 5 days per week
B. small-muscle activities performed 20 to 60 minutes per exercise session
C. large muscle activity with a HR intensity of 60-85% of maximum
D. large-muscle activities performed 1 day each week for 20 to 30 minutes
C
Psychology
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Which of the following is an example of a safety behavior?
a) seeking treatment. b) avoiding snakes. c) exposing oneself to a feared stimulus in a controlled environment. d) avoiding eye contact.
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