Biology A-Level
Single versus double circulation
What Single versus double circulation means in Biology A-Level, as defined for OCR.
Definition of Single versus double circulation
Check what you remember
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Reference: OCR
A single circulation has blood passing through the heart once per complete circuit, while a double circulation passes through the heart twice.
Topics that use Single versus double circulation
- Transport in animals (OCR A-Level)
Related terms
- Association and dissociation of oxygen
- Carbon dioxide transport forms
- Control of blood distribution by arterioles
- cooperative binding
- double circulation
- Exchange at capillaries and return of blood in veins
- Heart anatomy
- Heart rate and rhythm interpretation
Using Single versus double circulation in the exam
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