'Heartburn is actually the acidic contents of the stomach going back up this tube'
esophagus
GIMME AN E!: Heartburn is actually the acidic contents of the stomach going back up this tube
Heartburn is actually the acidic contents of the stomach going back up this tube
Heartburn is actually the acidic contents of the stomach going back up this tube
GIMME AN "E"!
esophagus
GIMME AN "E"!