Diagram of the Heart depicts the work, the relationships and the social institutions from which Littattafan Soyayya has emerged. Women write in composition books in bedrooms. They sit in quiet ...

Here’s how it works. The circulatory system consists of three independent systems that work together: the heart (cardiovascular), lungs (pulmonary), and arteries, veins, coronary and portal ...

The heart is a complex organ with several chambers, valves, and tissues that work together to pump blood around the body. Electrical impulses regulate the timing of each heartbeat. Sometimes ...

From there, the heart pumps the blood through an artery that branches to distribute blood to itself and other body parts (except the lungs). The lungs work with the heart to oxygenate blood.

This heart anatomy diagram shows that blood flows from the ... (Photo Credit: iStock/Getty Images) The atria and ventricles work together, contracting and relaxing to pump blood out of the heart.

The chambers of the heart operate as a ‘double-pump’ system for the body’s circulation. In coordination with valves, the chambers work to keep blood flowing in the proper sequence.

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.