_____ refers to the ability of the circulatory and respiratory systems to supply oxygen and nutrients to working muscles during sustained physical activity
a. Muscular strength
b. Muscular endurance
c. Cardiovascular fitness
d. Body composition
c
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Which process describes the sum of all chemical reactions that go on in living cells?
a. Digestion b. Metabolism c. Absorption d. Catabolism e. Anabolism
Why do fish recipes often include citrus juice, wine, or tomatoes?
Why is carbohydrate said to be "protein sparing"?
a. Because if there is not enough protein in the diet, the body cannot digest starch. b. Because if the diet provides enough carbohydrate for energy, then protein can be used to make new proteins. c. Because fiber is needed in order to absorb amino acids into the body. d. Because if the diet provides enough protein, then glucose will be used for energy.
The duration of the anaerobic glycolysis energy system is approximately:
a. 30 seconds. b. 1-2 minutes. c. 1-2 hours. d. 1-2 days.