otne
The baby require one placenta to get nourishment from.
The placenta. Placentas are found in female placental mammals (most mammals are placental mammals) inside the uterus and are a passageway by which nutrients flow from the mother's bloodstream to the baby's bloodstream and by which waste products flow from the baby's bloodstream to the mother's bloodstream.
If you only have one baby and you were support to have two then the other baby is dead and you had a miscarriage on one of your babies
The female organ that a developing baby grows in is the uterus.
Uteris
monkeys
The organ system that produces babies is called: reproductive organ system.
Chances are, something happened to the twin. But since the remaining baby has lots of room to grow, it will probably be born as if it were a single.
It is called a "uterus".
uterus
egg cells are adapted to their functions because the egg can grown along with the baby and it can just feed the baby and look after the baby..
The baby is held in the uterus.