Both the uterus and placenta are remarkable organs, but how do they work? Kirsty McIntyre and Emma Lofthouse fill us in...The placenta is the crucial link between the mother and developing foetus. It's an organ that performs all the functions that the unborn baby cannot do for itself, like getting oxygen, and nutrients. There's nothing for the unborn baby to eat or breathe, after all.The placenta begins to develop when the fertilised egg attaches to the wall of the mother's womb, or uterus, and will ultimately connect to the foetus through the umbilical cord.In the uterus, the growing foetus... Like this podcast? Please help us by supporting the Naked Scientists