8Flatus Breathing
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This might be quite a shock to most people who are anal, no pun intended, about flatulence. Did you know that each day, we breathe in approximately one liter of flatus or fart? This is because the atmosphere is full of it and if you happen to open your mouth in a crowded, public place, you can breathe in, at least, a ton of it. Click the next ARROW to see the next photo!