Keeps you steady and balanced
Warming up helps get your blood flowing to the muscles
The best answer is A. Kefauver-Harris Amendment, also known as the Drug Efficacy Amendment, introduced a requirement for manufacturers of drug to show a proof of effectiveness and safety of their products. Also, it required advertisements to show accurate information about side effects and other possible dangers.
Shock is also called hypoperfusion. It is the process in which the bodies tissues fail to become oxygenated by the blood usually due to a variety of things. So taking the into account D is your answer.