The pathogenesis of ectopic gastric mucosa is a matter of debate between a congenital-embryological-and an acquired origin-consecutive to a gastroesophageal reflux (GER) like Barrett's esophagus -, the most commonly accepted theory being that these areas are embryological remnants.
Standard size latex filled helium balloons stay afloat for approx 8 - 12 hours, metallic helium filled balloons float for 2-5 days. I have found that a 36 latex helium filled balloon can stay afloat for a number of days due to the thickness of the balloon and the massive quantity of helium.
How far does a helium Balloon travel upwards to the sky, before it pops? When you let a Helium balloon free, it sets of upwards but gets lost in the sky, how far up does it go before it pops, and does it fall straight back down wherever it explodes.Follow.hen you let a Helium balloon free, it sets of upwards but gets lost in the sky, how far up does it go before it pops, and does it fall straight back down wherever it explodes. Add your answer.