Why the Placenta have villi towards the embryo side and blood species towards mother side
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It is so to provide a large surface area for transportation of nutrients to the body of growing embryo. It also helps to remove wastes from the body of embryo
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The placenta contains villi on the embryo’s side of the tissue. On the mother’s side are blood spaces, which surround the villi. It has the following functions: This provides a large surface area for glucose and oxygen to pass from the mother to the embryo. The developing embryo will also generate waste substances which can be removed by transferring them into the mother’s blood through the placenta.
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