Circulatory System
- The circulatory system is a system of blood vessels with a pump and valves to ensure one-way flow of blood
Circulatory System Diagram
An example of a double circulatory system
Author
PhilExpertise
Biology Project Lead
An example of a double circulatory system
The single circulatory system in fish
The double circulatory system in mammals
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Phil has a BSc in Biochemistry from the University of Birmingham, followed by an MBA from Manchester Business School. He has 15 years of teaching and tutoring experience, teaching Biology in schools before becoming director of a growing tuition agency. He has also examined Biology for one of the leading UK exam boards. Phil has a particular passion for empowering students to overcome their fear of numbers in a scientific context.