IGCSEBiologyCIERevision Notes9. Transport in Animals9.1 Circulatory Systems, Heart & Blood Vessels9.1.1 Circulatory System

Circulatory System (CIE IGCSE Biology)

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Circulatory System

  • The circulatory system is a system of blood vessels with a pump and valves to ensure one-way flow of bloodcirculatory-system-new

An example of a circulatory system

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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.