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Foetal lung doesn’t function but always depend for obtaining pure oxygen gas from mother in the placenta through umbilical cord. Foetal consist the following adaptation for oxygen uptake;

a. Foetal haemoglobin is more affinity to oxygen even in low partial pressure of oxygen because the foetal haemoglobin is independent to partial pressure of oxygen.

b. Foetal haemoglobin and Red blood cell (RBCs) molecules are numerous for maximum uptake of oxygen.

What are the adaptations of foetus to oxygen uptakes?

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