![]() Heart failure is an illness in which the pumping action of the heart becomes less and less powerful.Image courtesy of Bryan Moss at Scott and White Hospital, and David A. This pumping action creates relatively high pressure in the arteries and low pressure in the veins. ![]() ![]() The heart pumps blood from the veins through the lungs where oxygen is added and then moves it on to the arteries. The heart is a pump that works together with the lungs.
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