What are vitamins?
What will be an ideal response?
Vitamins are the 13 essential organic compounds that the body cannot synthesize in adequate amounts to maintain health.
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Which organ is the primary source of digestive enzymes?
a. pancreas b. gallbladder c. small intestine d. liver e. spleen
At home, where teenagers are frequently snacking, the best strategy for parents is to stock the pantry with:
a. plenty of diet drinks and low-fat snacks. b. easy-to-grab foods that are nutritious. c. enough food for only one snack a day. d. 100-kcalorie snack packs.
What type of physical activity for older adults is best for improving cardiorespiratory endurance, blood pressure, and blood lipid concentrations?
a. endurance activities b. aerobic activities c. resistance training d. balance exercises e. flexibility activities
What substance forms in the muscles when glucose is broken down at a high rate and cannot be metabolized into adenosine triphosphate (ATP) as a result of insufficient oxygen?
A. creatine phosphate B. glycogen C. lactate D. antioxidant