IGCSEBiology: Double ScienceEdexcelRevision Notes2. Structure & Function in Living OrganismsTransport Systems2.59 Compostion of the Blood

Compostion of the Blood (Edexcel IGCSE Biology: Double Science)

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Components of Blood

  • Blood consists of red blood cells, white blood cells, platelets and plasma
  • Over half of the volume of the blood is made up of plasma
  • The majority of the other half is made up of red blood cells
  • The remaining fraction consists of white blood cells and platelets

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    Lára

    Author: Lára

    Lára graduated from Oxford University in Biological Sciences and has now been a science tutor working in the UK for several years. Lára has a particular interest in the area of infectious disease and epidemiology, and enjoys creating original educational materials that develop confidence and facilitate learning.