Clarisse wants to start a moderate cardiorespiratory endurance exercise program, but she has been sedentary for the past 5 years. Which of the following activities would be the best for her to incorporate to meet her goal of increasing her cardiorespiratory endurance? a. Water aerobics
b. Cardiorespiratory endurance
c. At least 150 minutes of moderate intensity aerobic activity per week.

What surgery do you have to get for endometriosis and does it hurt.

What do you do if you fall over and bend your big toe all the way forwards?

[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.