1. Quelle est la composition principale du plasma sanguin ?
2. À quelle vitesse la centrifugeuse doit-elle être généralement réglée pour séparer efficacement les composants du sang ?
3. Quel est le rôle principal de la couche blanche formée lors de la centrifugation du sang?
Composition du sang — principaux éléments ?
Plasma liquide et cellules sanguines.
Centrifugation — principe ?
Séparer composants par densité en rotation.
Couches du sang centrifugé — noms ?
Plasma, couche blanche, globules rouges.
Proportions sanguines — volume ?
45% cellules, 55% plasma.
Cellules sanguines — principales ?
Globules rouges, globules blancs, plaquettes.
Globules rouges — rôle ?
Transporter l’oxygène grâce à l’hémoglobine.
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