No its not mandatory
Every living thing can burp!
No, this is not a Japanese custom.
no you cant
rats can burp but they dont like to because it hurts them because they are so small but they usually fart
it depends if you can suck air into your throat and stomach then let it out some folks have that special talent but if not then no you cant burp on demand
No they cant.
Whoever replied before me doesn't know what the hell they're talking about. It is considered polite to burp during or after meals in some places in the world. I believe Italy is one, China, India, Russia...
A general composition is: nitrogen and oxigen; after drinking carbonated beverageas carbon dioxide is added. Sometimes odors from other drinks and meals.
do goats burp
you burp, as you are burping make your mouth move as if you were saying a letter
Sometimes you can't burp because you never did something to do something to burp. If you would like to burp try drinking coke. Could be any any coke. The normal coca cola, diet coke you name it! If it doesn't work try to ask questions on how to burp in lots of different ways. For example How to burp? Or How can I burp? Or How do you burp?
This may be a problem with loss of motility in the esophagus, or with the lower esophageal sphincter. You should consult a doctor if this is an ongoing problem. If not accompanied by bloating, gassiness, or stomach/bowel discomfort, it is possible that you are simply not gassy enough at the moment. Try drinking carbonated soda, and see if you are able to burp afterward.