Answer:With this system, blood always flows in only one direction inside the heart. There are also valves at the bottom of the large arteries that carry blood away from the heart: the aorta and the pulmonary artery. These valves keep the blood from flowing backward into the heart once it has been pumped out.
Explanation:
In other words, their drinking may have a purely cognitive cause. “moderation management”. Over time, a brain chronically exposed to alcohol also loses its ability to produce and use dopamine, one of the main chemicals that makes humans feel “good” or euphoric. The addicted brain is addicted. And it’s not one or two drinks the addicted brain wants.
I do indeed believe that the correct answer is B
A person whose body can no longer keep up with the demands of stress is in the exhaustion stage.
