To overcome her fear of horses, marissa has asked jim to take her out to the stables. jim has a cold today, but he said he would go with marissa to her out. which of the following might jim be experiencing?

a. weakened immune system
b. strengthened immune system
c. weakened muscle structure
d. strengthened muscle structure

Which of the following is not an internal factor of decision making? a. ethics b. emotions c. peer pressure d. attitude

[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.

Sweat glands that cause orders during puberty are present in the body from the time of brith