Structure
Organ systems
Groups of organs that work together, such as the circulatory, respiratory, digestive and urinary systems.
Heart and circulation
The heart pumps blood through blood vessels, carrying oxygen and nutrients around the body.Source: NHLBI
Structure
How Heart and circulation connects
Heart and circulation is part of
Heart and circulation is related to
Structure
Lungs and breathing
The lungs take in oxygen and remove carbon dioxide from the blood.
Studied in
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Sources & further reading
The explanations on this page are our own summaries of these sources. Follow a link to read the original; if anything here disagrees with it, the original wins. How we choose and check sources.
How the Heart Works (opens the original in a new tab)
National Heart, Lung, and Blood Institute. nhlbi.nih.gov. National Heart, Lung, and Blood Institute, NIH.
ReferenceGovernment sourceEducational