This article was reviewed by Tao Ning, PhD, Associate Professor at a National Institute I believe that many people were young I can't help but pick my belly button At this time, the elderly in the family always say "Don't pick it, or your stomach will leak air" Although it sounds doubtful But I dare not pick it again So What exactly is the belly button used for? Can I pick it out? Why do some people have protruding Some people are concave? Let’s watch together Do you understand after reading this? In fact, the belly button is an important link with the mother When we were still fetuses In the mother's body through the navel - umbilical cord - placenta Absorb nutrients from the mother After birth The doctor will cut the umbilical cord After the wound heals, the navel is formed. To put it bluntly It is the scar left by the umbilical cord falling off after birth. Everyone has many different shapes of belly buttons. Different But there's something in there. Looks dirty So many people can't help but want to pick In fact, it's no big deal if you just scratch it a few times But don't use too much force Or use some sharp tools such as ear picks It is easy to get infection in the belly button Cause physical discomfort If you really want to Must maintain Gentle movements and clean hands The pictures in this article with the "Science Popularization China" watermark are all from the copyright gallery. The pictures are not authorized for reprinting. |
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