2. Which of the following is not a symptom of bulimia nervosa? feeling out of control while eating purging after a binge (vomiting, using laxatives, diet pills, exercise, meal skipping, or diuretics to rid body of food) exercising beyond the requirements for good health lacking concern for weight gain and body size

Which training principle states that exercising a certain body part are practicing a particular skill primarily develops that part or skill

Which of the following substances would you expect to find in the blood, and not in the lymph? selected answers: calcium glucose calcium glucose estrogen oxygen fatty acids water answers:

[120 total points] (public health) in one of the largest human experiments ever conducted, in 1954 a randomized controlled trial was run to see whether a vaccine developed by a doctor named jonas salk was effective in preventing paralytic polio. a total of 401,974 children (ages 6–9), chosen to be representative of those who might be susceptible to the disease, were randomized to two groups: 200,745 children (the control group c) were injected with a harmless saline solution (a placebo) and the other 201,229 children (the treatment group t) were injected with salk’s vaccine. what was the point of giving saline solution to the children who didn’t get the vaccine? explain briefly.