Answer:B.Atherosclerosis is characterized by plaque buildup.
Explanation: Atherosclerosis is caused by the deposition of the plaque that makes the walls of the arteries thinner than they usual are and as they get blocked this can result to heart attack .
hmmm it really matters on a question
Exhalation removes <span>carbon dioxide </span>from the body.
The answer is EKG or ECG which stand for electrocardiogram.