Placental Mammals

Science / Biology / Placental Mammals: One of three groups of mammals that carry their young in the mothers body for long periods during which the fetus is nourished by the placenta. Humans are placental mammals.

Placental Mammals

Science / Biology / Placental Mammals: One of three groups of mammals that carry their young in the mothers body for long periods during which the fetus is nourished by the placenta. Humans are placental mammals. MORE

Placenta

Science / Biology / Placenta: An organ produced from interlocking maternal and embryonic tissue in placental mammals; supplies nutrients to the embryo and fetus and removes wastes. MORE

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