ANIMATED HEALTHCARE LTD / SCIENCE PHOTO LIBRARY ANIMATED HEALTHCARE LTD / SCIENCE PHOTO LIBRARY
Heart. Computer artwork of three hearts and electrocardiogram (ECG) traces. The heart is a muscular pump that moves blood around the body. Deoxygenated blood enters the heart from the body via the vena cava (purple, upper centre left) and is pumped to the lungs via the pulmonary artery (purple, upper centre right). The oxygenated blood returns to the left side of the heart (right) and is pumped around the body via the aorta (red, upper centre). The ECG trace shows the electrical activity of the heart.
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