C. that is your answer because as your heart contracts, blood flows and IF your heart is not strong enough, it will be hard to breathe.
If your goal is to find a mentor who can help encourage you the category that it would fall under would probably be Academic
It hardens the arteries from blood flow. So you heart wont get enough oxygen for you to live<span />
Medulla oblongata is the part of the brain that controls heart rate and blood pressure
