Time: Heart Disease Is Preventable. So Why Does It Kill So Many of Us?
Heart Disease Is Preventable. So Why Does It Kill So Many of Us?
Yahoo Sports: Does an elevated heart rate impact golf performance? Our test points to the complicated answer
Does an elevated heart rate impact golf performance? Our test points to the complicated answer
TIME on MSN: Heart Disease Is Preventable. So Why Does It Kill So Many of Us?
Yahoo: Parents of Olympic athletes are wearing heart rate monitors. Does this prove that spectating is really a sport?
Parents of Olympic athletes are wearing heart rate monitors. Does this prove that spectating is really a sport?
Pulmonic regurgitation is when blood leaks back into the heart from the pulmonary artery due to weakness in the pulmonary valve. It happens when a pulmonary valve does not close properly. The ...
How the Heart Works - What the Heart Looks Like | NHLBI, NIH
Your heartbeat is the contraction of your heart to pump blood to your lungs and the rest of your body. Your heart's electrical system determines how fast your heart beats.
How the Heart Works - How the Heart Beats | NHLBI, NIH
The heart is an organ about the size of your fist that pumps blood through your body. It is made up of multiple layers of tissue. Your heart is at the center of your circulatory system. This system is a network of blood vessels, such as arteries, veins, and capillaries, that carries blood to and from all areas of your body. Your blood carries the oxygen and nutrients that your organs need to ...