Food portions have generally remained steady over the past 30 years
Indicate whether the statement is true or false
FALSE
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VO2 max refers to maximal _____
a. oxygen uptake b. pulse rate c. repetitions d. resistance e. flexibility
Which nutrient works closely with insulin to help the cells take up glucose?
a. zinc b. selenium c. chromium d. iodine e. phosphorus
A menstrual flow results from _____.
A. the implantation of a fertilized ovum in the endometrium B. adecrease in progesterone and estrogen levels C. the release of gonadotropin-releasing hormone by the hypothalamus D. the production of prostaglandins by the uterus E. the release of progesterone and estrogen by the corpus luteum
In the context of scientific research, correlation occurs when:
A) an alteration to one variable causes a change in another variable. B) study participants experience an effect of the treatment just because they believe that the treatment will work. C) two variables are clearly related, but one cannot be shown to cause the other. D) neither the study participants nor the scientists know the group to which the participants have been assigned.