It is the sack that surrounds the fetus in the womb/uterus. It contains the amniotic fluid and has the umbilical cord passing through it.
by placenta
The placenta can be located anywhere in the uterus.
placenta
The Placenta uses a the process of diffusion to diffuse the nutrients from the mothers blood into the babies. Then the umbilical cord carries the nutrients to the baby to the Placenta. Answer is Placenta
They develop by feeding from the yolk of the egg that the frog has laid and that is the equivalent of a placenta.
I THINK THAT A monotremes is the answer.
first
Via the umblical cord that is connected to the mothers placenta. Dissolved nutrients from foods the mother eat flow to the baby system from the mothers placenta via the umblical cord. This is the reason why poor feeding by pregnant women affect the unborn child.
The umbilical cord comes out of the mother with the placenta.
It means the placenta is located in the posterior wall of uterus
The nutrients of the baby is located at the placenta while the umbilical cord links the placenta and the baby.
placenta