Arteries and Veins – Biology

Arteries (from the Greek ἀρτηρία – artēria, “windpipe, artery”) are blood vessels that carry blood away from the heart. This blood is normally oxygenated, exceptions made for the pulmonary and umbilical arteries. The Effective Arterial Blood Volume (EABV) is that extracellular fluid (ECF) which fills the arterial system. The circulatory system is extremely important for sustaining life. Its proper functioning […]

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Red Blood Cells (RBC) – Biology

Red blood cells, or erythrocytes, are the most common type of blood cell and the vertebrate organism’s principal means of delivering oxygen (O2 )to the body tissues via the blood flow through the circulatory system.They take up oxygen in the lungs or gills and release it while squeezing through the body’s capillaries. These cells’ cytoplasm is rich in haemoglobin, an […]

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