The movement cycle of the erythrocyte (or red blood cell).
Surrounded by platelets (thrombocytes), various hormones, salts, some proteins and wastes, the red blood cell (erythrocyte) which is contained in plasma, becomes oxygenated in a capillary in the left lung. From here it is forced into one of the pulmonary veins, and transported into the left atrium, a thin-walled chamber which acts as a reservoir, which then contracts, squeezing out any blood which hasn't already passed along into the left ventricle. The left ventricle is the most muscular part of the heart, and it is made up of a chamber surrounded by thick muscle walls, which create a m…
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- The movement cycle of the erythrocyte (or red blood cell).
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