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The umbilical cord is the only source of nutrition to a fetus. It provides nutrition from the mother and returns waste products to the mother for disposal. In other words, it is essential to the life of the fetus. At birth, the umbilicus is discarded, along with the placenta, but evidence of it’s existence remains in the form of the naval. If a person does not have a naval it is because he/she may have had a medical condition that required it’s surgical removal.
First answer by Redbeard. Last edit by ID1096873001. Question popularity: 22 [recommend question]
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