Nervous system since the brain is a part of the nervous system.
when working out you want to make sure you can meet the task at hand. go little by little until you are able to meet your goal. so to start i would rule out D.
<span>With the given statements in the choices presented, the one that is not correct about the drugs and supplements is that these are ineffective and expensive. As it can be observed, most of them are affordable to accommodate the needs of the general public. These substances are also effective as they are use to relieve many diseases. </span>
A behavior goal you can use is by using motivation and courage to help you out
