When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The circulatory system consists of three independent systems that work together: the heart ...

The first thing you notice about Glenna Gordon’s book Diagram of the Heart is that it’s small. Small enough to fit in a coat pocket. It has a soft cover too.

In a recent case, a student, who was asked to draw a neat and labelled diagram of a human heart, got quirky with his response. With his pencil and creative mind, he drew the outline of the heart ...

In a new study, published today (12 July) in Nature, researchers have produced the most detailed and comprehensive human Heart Cell Atlas to date, including the specialized tissue of the cardiac ...

The heart is the hardest-working muscle. It pumps out 2 ounces (57 grams) of blood with every heartbeat. Daily, the heart pumps at least 2,500 gallons (9,464 liters) of blood. The heart has the ...