Edexcel IGCSE Biology

Revision Notes

2.8.5 Human Transport Systems: Blood

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

Blood micrograph, IGCSE & GCSE Biology revision notes

Blood micrograph

The components of the blood 1, downloadable IGCSE & GCSE Biology revision notesComposition of human blood

Components of the Blood Table

Blood table, IGCSE & GCSE Biology revision notes

Author: Ruth

Ruth graduated from Sheffield University with a degree in Biology and went on to teach Science in London whilst also completing an MA in innovation in Education. With 10 years of teaching experience across the 3 key science disciplines, Ruth decided to set up a tutoring business to support students in her local area. Ruth has worked with several exam boards and loves to use her experience to produce educational materials which make the mark schemes accessible to all students.

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