As the heart beats, it pumps blood through a system of ... (Photo Credit: iStock/Getty Images) The atria and ventricles work together, contracting and relaxing to pump blood out of the heart.

Have you ever wondered about your resting heart rate? This simple number, the beats per minute your heart makes when you're ...

“But be aware that having many skipped beats can be a sign of a heart rhythm disease, even around your lover.” Your heart can certainly skip a beat when you’re with a special someone — but ...

The carbon monoxide from tobacco reduces oxygen to the heart, causing it to beat faster to deliver oxygen ... Photography by Tashdique Mehtaj Ahmed/EyeEm/Getty Images & Ang Pham Phuong/EyeEm ...

Celine Dion sings that "my heart will go on," but how many times does it actually beat in a day or even a lifetime? When you purchase through links on our site, we may earn an affiliate commission.

Multifocal atrial tachycardia (MAT) is a type of irregular heartbeat in which the heart beats faster than it should. It’s one of many types of heart arrhythmias or irregular heart rhythms.