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What is the role of the placenta in placental mammals?

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What is the role of the placenta in placental mammals?

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Role of the placenta in placental mammals include;

  • It is the site for exchange of materials between the foetus and mother.
  • It is a mechanical barrier protecting the foetus against maternal blood pressure which could destroy delicate foetal capillaries.
  • It secrets hormones oestrogen and progesterone
  • From the foetus to mother, substances that pass are carbon (iv) oxide and nitrogenous waste

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