In which kind of animals does the placenta present
In which kind of animals does the placenta present? What is its major function?
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True placenta is existed in the placental mammals.
The placenta is made from the chorion of the embryo and from the mother’s endometrium. Its major function is to permit the exchange of substances among the fetus and the mother’s body.
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In which type of animals does the placenta exist? Also explain their main function?
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