Describe any 2 ways that anorexia may undermine a male athlete's performance
Lack of iron in the diet can reduce the endurance of the athlete. Iron is needed to carry oxygen to the muscles such that they can produce ATP for sustained muscular activity. The muscles will be weaker or will not be able to endure.
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Sam is excited to try some different amino acid supplements he believes might enhance his muscle strength. What should his sister Katie tell him?
a. It might be a good idea to supplement his diet because he is a vegetarian. b. Only purchase amino acids supplements that are highly recommended by the sales staff at the supplement store. c. The purity, dosage, and safety of the amino acid supplements available on the Web and in stores are not guaranteed. d. Amino acid supplements are not safe and he should try protein powders. e. The supplements will most likely work better for muscle strength building than high-quality protein from foods.
What country sold Alaska to the United States in 1867?
a. Germany b. Russia c. Hungary d. Austria e. Switzerland
An emulsion contains
A. the dispersed or discontinuous phase, which is usually oil. B. the dispersion medium or continuous phase, which is usually an organic solvent. C. a stabilizing compound that increases a liquid's surface tension to reduce its wetting ability. D. All of these are correct. E. None of these are correct.
What is the primary fuel source for muscles during high-intensity activity?
A) fat B) protein C) amino acids D) carbohydrates