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Body Basics: The Heart (Slideshow)

View the slideshow below to learn about the heart. To advance the page or return to an earlier slide, click on the arrows.

Diagram of the heart shows (clockwise from the top right): the aorta, pulmonary artery, left atrium, left ventricle, right ventricle, right atrium

The Heart

Click through this slideshow to learn about the heart.

Animated diagram shows the process described in the text.

The Heart

When blood circulates in the body, it enters the heart through the right atrium, passes through to the right ventricle, and flows out through the pulmonary artery to the lungs, where it picks up oxygen and gets rid of carbon dioxide.

Animated diagram shows the process described in the text.

The Heart

From the lungs, blood returns to the left atrium and then enters the left ventricle, where it is pumped to the body through the aorta.

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