American Heart Association
American Heart Association: Conditions: High Blood Pressure or Hypertension
Find out why high blood pressure is dangerous to your heart and overall health. Learn why and how high blood pressure damages the heart and who is at risk for high blood pressure. Information on treatment and prevention includes a link...
TED Talks
Ted: Ted Ed: How the Heart Actually Pumps Blood
For most of history, scientists weren't quite sure why our hearts were beating or even what purpose they served. Eventually, we realized that these thumping organs serve the vital task of pumping clean blood throughout the body. But how?...