![subject](/tpl/images/cats/health.png)
Health, 29.06.2019 04:00 daisyperez1
The brain’s limbic system is also known as the a thinking center b memory center c comfort system d reward system
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Health
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/health.png)
Health, 22.06.2019 15:20
[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.
Answers: 2
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/health.png)
Health, 22.06.2019 21:00
10. what is one long-term effect of tobacco use? changes in brain chemistry coronary heart disease decreased appetite increased heart rate
Answers: 1
You know the right answer?
The brain’s limbic system is also known as the a thinking center b memory center c comfort system d...
Questions
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 07.02.2021 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 07.02.2021 01:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 07.02.2021 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 07.02.2021 01:00
![question](/tpl/images/cats/fizika.png)
Physics, 07.02.2021 01:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 07.02.2021 01:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 07.02.2021 01:00
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 07.02.2021 01:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 07.02.2021 01:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.02.2021 01:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.02.2021 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 07.02.2021 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 07.02.2021 01:00