Blood Anatomy

Plasma

The plasma is the liquid part of blood that carries nutrients and hormones throughout the body. It makes up approximately 55% of blood tissue.
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Platelets

Platelets are cell fragments that assist in blood clotting. Every micro liter of blood has 300,000 platelets.
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Red Blood Cells

Red blood cells are technically called Erythrocytes. They are the most numerous type of blood cell. Their job is to transport nutrients and it only lives for 4 months. RBCs carry oxygen and carbon dioxide.
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White Blood Cells

White blood cells are technically the Leukocytes. There are 5,000 to 10,000 white blood cells per micro liter of blood. Their job is to fight disease and foreign invaders.
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