Exercise is a type of physical activity that requires ____.
A. an energy expenditure of 150 calories
B. planned, structured, and repetitive bodily movement to improve or maintain one or more components of physical fitness
C. rapid breathing and a substantial increase in heart rate
D. the expenditure of energy and produces progressive health benefits
E. 30 minutes of activity
Answer: B
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The advantage of the Muscular Endurance Test is that it _____.
A. includes six easy-to-perform isometric exercises B. can be performed by anyone without a partner C. assesses the strength of each individual muscle D. does not require strength-training equipment E. requires a stopwatch and a swimming pool
The drug insulin was first introduced in the 1960s
Indicate whether the statement is true or false.
A bone marrow aspiration is done by taking red marrow from the ________
A) blood B) lymph node C) hip bone D) spleen
_____ are man-made substances that are chemically related to male sex hormones and are sometimes used illegally to build muscle mass
A) ?Androgens B) ?Anabolic steroids C) ?Neurohormones D) ?Human growth hormone