Cell Organisation and the Circulatory System
- Created by: alexda
- Created on: 18-02-15 22:58
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- Cell Organisation and the Circulatory System
- An organ system (like the circulatory system) is a group of different organs working together to perform a particular function.
- The heart has four chambers and four major blood vessels.
- Blood circulates in only one direction to keep the amount of blood cells seperate.
- Valves prevent the backflow of blood
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