Blood flow, animation - 4K Stock-Video

Blood flow, animation. Cells seen here include red and white blood cells (erythrocytes and leucocytes) and platelets. Red blood cells (erythrocytes, red) distribute oxygen to body tissues, and carry waste carbon dioxide back to the lungs. White blood cells (leucocytes, varying colours shown) are part of the immune system. They attack and destroy infectious agents (pathogens) and foreign substances, and destroy and remove cellular debris. Platelets play a vital role in blood clotting processes