Science Discovery for March: Why do we have belly buttons?
Belly buttons turn out as what we call innies or outies. the shoe of your belly buttons are created by your umbilical cord. This is why we have belly buttons because of your umbilical cord. Everyone in the world has a belly button and in the same place on their bodies. when a baby is still in the whom he or she can not eat or breathe. The umbilical cord carries oxygen and nutrients from the mother to the baby,it also carries waste to the mother so she can get rid if it.

Why do we burp?
When we burp it may seem disgusting but it is natural. When you eat or drink you are also swallowing air.A scientific name for a burp is also known as a belch. Nitrogen and oxygen is what we swallow cause thats what is in the air. when all of the air goes in our body it has to come out. ANd thats what causes a burp. The gas is forced through the esophagus and put the mouth as a belch. the esophagus is the tube for food that connects the back of the throat to the stomach. Carbinated sodas are more likely to bring more burps.