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There is no 'hole' to speak of.. the umbilical cord is not hollow.
QuoteThere is no 'hole' to speak of.. the umbilical cord is not hollow.How could it carry all that blood if it didn't consist of arteries and veins?Clearly, it isn't absolutely necessary to cut and bind the cord - humans are the only mammals capable of doing that. As soon as the baby starts breathing, there is a major, once-off 'switchover' of the circulation system to get blood through the lungs and not through the placenta. The umbilical cord will just heal up and shrivel, with the placenta being expelled a bit later and that will fall off quite soon. Many animals chew the cord which must help to stop it bleeding and provide some food for the mother.Cutting and tying is a lot less messy, of course.
I was watching this movie about people being trapped in the Andes (I can't remember the name?) and they had no food left but a lot of dead people, and some of the live ones started eating the dead ones RAW. My question is, if you were trapped somewhere without food would you resort to cannibalism? a) if there was no fire, would you eat? b) if there was a fire, would you eat?