___ constitutes to about 60% of the adult human body by weight.
a. Water
b. Protein
c. Lymph
d. Chyle
Ans: a. Water
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The Human Genome Project identified
A) all the phytochemicals in food. B) all the genes in the body. C) all the combinations of amino acids. D) all the coenzymes in the Krebs cycle.
How much alcohol per day is a pregnant woman permitted to consume?
A. none B. 4 ounces C. 6 ounces D. 8 ounces
Which of the following statements is true about vitamins?
A. Compared to proteins and carbohydrates, your body requires very small quantities of vitamins. B. Vitamins don't occur naturally in foods. C. Thiamin, riboflavin, and pantothenic acid are fat-soluble vitamins. D. Vitamins are safe to consume, so you should consider taking megadoses of the micronutrients to achieve optimal health.
Which of the following is true as exercise intensity increases?
a. At a certain point aerobic metabolism is shut off and anaerobic metabolism is turned on. b. When the anaerobic threshold is reached muscles stop getting oxygen and suddenly begin producing lactate, which can be measured in the blood. c. There is a point in ultraendurance activities where fat metabolism stops completely and protein metabolism supplies nearly all of the energy. d. Energy is supplied in a smooth continuum where one system may predominate depending upon the intensity.