The newly oxygen-rich blood (shown in red) returns to the heart and enters the left atrium. Blood flows through the left atrium into the left ventricle. The left ventricle pumps the oxygen-rich ...

When you’re living with type 2 diabetes, poor circulation can be a genuine concern. Here's how to improve your blood ...

blood flows into the heart from a vein, goes into an atrium, then a ventricle, and out through an artery. The valves prevent the blood flowing backwards. The heart is relaxed and blood flows into ...

Cut through the coracoid bar and pull back to fully open the pericardial cavity. Locate the vessels entering and leaving the heart and the 2 heart chambers - atrium and ventricle. Look at diagram of ...

The aorta, a large blood vessel responsible for transporting oxygenated blood from the heart to the rest of the body, plays a ...

One standard test is an echocardiogram (echo), a noninvasive ultrasound of the heart that uses sound waves to produce images. An echocardiogram shows how blood flows through the heart, how the ...

It involves malfunctioning valves in your heart that don't seal properly, allowing blood to flow backwards within the organ. The British Heart Foundation points out: "This means blood can flow the ...

Originally appeared on the NOVA Web site Cut to the Heart. Let's get straight to the heart of the matter—the heart's job is to move blood. Day and night, the muscles of your heart contract and ...