Biology A-Level
Valve function
What Valve function means in Biology A-Level, as defined for OCR.
Definition of Valve function
Check what you remember
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Reference: OCR
Atrioventricular and semilunar valves prevent backflow, being passive flaps rather than structures that actively pump blood.
Topics that use Valve function
- 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 Valve function in the exam
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