<span>The first common serious disease of the circulatory system is coronary artery disease.
The second common serious disease of the circulatory system is arteriosclerosis.</span>
The third common serious disease of the circulatory system is myocarditis.
Answer: academic to exams, mental to mood swing and physical to immune system
Explanation: it just makes sense
Cancer can't be prevented but it can reduce the risk of getting it by drinking water, not using, tobacco, and eating healthy.
By making them exercise more often