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 Form 2 Biology transport in animals questions and answers

Explain three ways in which red blood cells are adapted to their function.

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Answer Text:
- Absence of nucleus and other organelles to increase space for packaging of haemoglobin.
- Possession of haemoglobin which has high affinity for oxygen.
- Bi-concave shape to create large surface area hence more packaging of haemoglobin for combining with oxygen.
- Ability to change shape/flexible to enable them to pass through or squeeze through narrow capillaries.
- Have carbonic anhydrase enzyme which increases #CO_2# transportation.