Because the brain stem is what transfers all information to the rest of your body. Also, it is directly connected to the hypothalamus, which if damaged, can take away your ability to breathe or do simple tasks.
In a study, the independent variable is the thing that you change to see how the change produces different results. In this study, the independent variable would be the use of nicotine.
I don’t think you’re looking for a part but I believe you’re looking for blood, more specifically the red blood cells
The answer is true because since you paided for it you might be more committed.
