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Red blood cells and ECG

Red blood cells and ECG

P216/0507

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Credit

MEHAU KULYK / SCIENCE PHOTO LIBRARY MEHAU KULYK / SCIENCE PHOTO LIBRARY

Caption

Red blood cells and ECG. Computer artwork of red blood cells (erythrocytes) and an electrocardiogram (ECG) trace. Red blood cells are biconcave, giving them a large surface area for gas exchange, and highly elastic, enabling them to pass through narrow capillary vessels. Each cell's interior is packed with haemoglobin, a red iron- containing pigment that has an oxygen carrying capacity. The main function of red blood cells is to distribute oxygen to body tissues and to carry waste carbon dioxide back to the lungs. The ECG trace shows the electrical activity of the heart.

Release details

Model release not required. Property release not required.

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