an enlarged heart or atrial enlargement is the medical term that will show up on an ecg when a normal p wave is negatively deflected.
c is the correct answer.
the person which heart has prolonged high blood pressure is more prone to stroke if he isn't healthy. so there are 2 cases: if a person does sports regularly and lives healthy will have a healthy heart and will survive a high blood pressure, but if it opposite, there's a chance that he will die of stroke, because of unhealthy heart. so, actually we cannot function without a heart. the better it is, the stronger and intelligent we are. it can become better just when we are healthy.