Biology A-Level
biconcave disc
What biconcave disc means in Biology A-Level, as defined for AQA.
Definition of biconcave disc
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Reference: AQA
The shape of a mature mammalian red blood cell, giving a large surface area to volume ratio so oxygen diffuses in and out rapidly.
Topics that use biconcave disc
- Mass transport in animals (AQA A-Level)
Related terms
- affinity
- affinity for oxygen
- atrial systole
- Atrioventricular valves
- Biological drawing conventions
- Bohr effect
- Causation
- Conflicting evidence
Using biconcave disc in the exam
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