Biology B7 blood, blood typing, circulatory system 2.5 / 5 based on 9 ratings ? BiologyGCSEAll boards Created by: sammieCreated on: 03-05-12 19:46 red blood cells transport oxygen from lungs to all cells 1 of 4 plasma liquid that carries everything around 2 of 4 white blood cells help fight off infections by protecting from microorganisms 3 of 4 platelets small fragments that help blood to clot at a wound 4 of 4
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