Type of animals does the placenta exist
In which type of animals does the placenta exist? Also explain their main function?
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In placental mammals, true placenta is present. The placenta is formed from chorion of embryo and from mother’s endometrium. Its major purpose is to allow the swapping of substances between fetus and mother’s body.
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Explain the chief substances which are transferred from mother to fetus through the placenta and from fetus to mother?
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