How is perspiration related to recovery after exercise? (59 ) ba) as the body perspires during exercise, water and ions are released through the skin and should be replenished by showering soon after the workout. a) the body replenishes water and ions during perspiration so the muscles can rest and repair during the cool down period. b) the water and ions lost through perspiration must be replaced during recovery so the body can replenish fluid and stored energy. d) the muscles that cause the body to perspire are rested during the recovery period, allowing the body to rebuild water and ion supplies.

[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.

List several ways that negative life events (death in the family, being laid off, etc) may affect your physical health.

What are the symptoms of trichomoniasis in males? a. painful urination, a dark discharge from thepenis, with no itchingb. painful urination, a dark discharge from thevagina, with no itchingc. painful urination, a clear discharge from the vagina, and some itchingd. painful urination, a clear discharge from thepenis, and some itching