Asked by: jdglass1-ga
List Price: $2.50
15 May 2006 13:14 PDT
Expires: 14 Jun 2006 13:14 PDT
Question ID: 729088
What is my belly button hooked up to on the inside of me?
Answered By: alanna-ga on 15 May 2006 13:37 PDT
Nothing special, just the wall of your abdomen. When you were inside your mother's womb, it was hooked up to your embryonic blood system. This was done via the placenta. On the maternal side, the placental is attached to the mother's blood system, and on the fetal side, the fetus's blood system. All nutrients needed for fetal growth pass through the placental to the umbilical cord to the fetus, and all wastes go the opposite way. When the heart starts to pump the blood after birth, the placental connection isn't needed anymore. http://en.wikipedia.org/wiki/Placenta
From: pinkfreud-ga on 15 May 2006 16:29 PDT
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