It’s on the baby’s stomach. How does it make air get into its lungs? The placenta is filled with fluids and stuff, so how does the baby breathe with a thing connected to it’s stomach? It also provides food, but how?
In: Biology
In addition to all the great info others posted : the umbilicus contain large vein and two arteries that feeds the baby’s blood stream through connections to an hepatic portal vein (in the liver) and the heart via the inferior vena cava. After birth, this artery/vein system shrivels and becomes a little “stump” inside your abdomen no longer connected to your blood stream…
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