IGCSEBiologyCambridge (CIE)Revision Notes9. Transport in AnimalsCirculatory Systems, Heart & Blood VesselsCirculatory System

Circulatory System (Cambridge (CIE) IGCSE Biology)

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Written by: Lára Marie McIvor

Reviewed by: Lucy Kirkham

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Circulatory system

The circulatory system is an organ system, the role of which is to transport blood around the body
Components of the circulatory system include:
- blood vessels
- a pump
- valves to ensure one-way flow of blood

Circulatory system diagram

The circulatory system consists of blood vessels and a pump, and one-way blood flow is ensured by the presence of valves

Last updated: 24 September 2024

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Author

Reviewer

Author: Lára Marie McIvor

Expertise: Biology Lead

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.

Author: Lucy Kirkham

Expertise: Head of STEM

Lucy has been a passionate Maths teacher for over 12 years, teaching maths across the UK and abroad helping to engage, interest and develop confidence in the subject at all levels.Working as a Head of Department and then Director of Maths, Lucy has advised schools and academy trusts in both Scotland and the East Midlands, where her role was to support and coach teachers to improve Maths teaching for all.