Translations:Blood/10/en

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  Human blood fractioned by centrifugation: Plasma (upper, yellow layer), buffy coat (middle, thin white layer) and erythrocyte layer (bottom, red layer) can be seen.
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  Blood circulation: Red = oxygenated, blue = deoxygenated
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  Illustration depicting formed elements of blood
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  Two tubes of EDTA-anticoagulated blood.
  Left tube: after standing, the RBCs have settled at the bottom of the tube.
  Right tube: Freshly drawn blood