caca
it extracts food and oxygen from the uterine wall of the mother to the fetus.
The chorion is a membrane that develops at the start of pregnancy. Its main function is to contribute to the formation of the placenta.
No, pouched mammals do not have placenta.
Yes. They are a placental mammal.
eveloment of Placenta .
No, tuna fish do not have placentas. The placenta is part of mammal physiology, and fish are not mammals.
NIGG3RS, or placenta
Of or pertaining to the placenta; having, or characterized by having, a placenta; as, a placental mammal., Of or pertaining to the Placentalia., One of the Placentalia.
Both of these
Pig is classified as a placental mammal because it has placenta for internal development of its embryo.
I the mammal is a monotreme, it developes in an egg. If the mammal is in the marsupial group, it develops in a pouch on its mother. If it is a placental mammal, it develops in the placenta.
Placenta through the process of diffusion