It’s been found that nerve cells within the brain stem regulate our sighing to approximately 12 times per hour, a process that regulates oxygen flow when tiny sacs within the lungs sporadically collapse. What do you think?


“What about the many other parts of me that occasionally collapse?”

Bryce Wingham • Sightseeing Enthusiast

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“That’s interesting, but I still want to know why so much hair grows on our heads.”

Tony Lynch • Piggy Bank Artisan

“Which is better for you, the annoyed or swooning kind?”

Vera Lohman • General Cleric