Which of the following is an example of an anaerobic activity?
A) Swimming for 20 minutes
B) Walking for 10 minutes
C) Sprinting
D) Lifting weights
E) c, d
E
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How much of the body's calcium is found in body fluids?
A. 20% B. 12% C. 9% D. 5% E. 1%
The rhythmic contractions responsible for propelling food through the digestive tract are called
A. elimination. B. peristalsis. C. mastication. D. locomotion.
The 2015 Dietary Guidelines for Americans recommend that total fat intake should not exceed ________ of total calories and saturated fat intake be limited to ________ of total calories.
A. 20%; 1% B. 50%; 10% C. 35%; 10% D. 20%; 5%
In the alanine cycle, alanine is released from muscle, taken up by the liver and:
a. excreted in the urine b. deaminated to release glucose c. converted into adipose d. oxidized to nitric acid