Single Circulation System
In a single circulation system, blood passes through the heart once for each complete circuit of the body. Fish have a single circulation.
The route is:
heart → gills → body tissues → heart
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More in Circulatory Systems
- The Need for Transport Systems
- Features of a Mass Transport System
- Circulation Systems
- Double Circulation System
- Cardiovascular System
- Components of Blood
- Plasma
- Erythrocytes
All 33 lessons in Circulatory Systems · All Edexcel AS-level Biology topics