If you try on those specialty glasses that vertically invert your vision so everything is upside down, your brain will eventually adjust to it, and things will look 'normal.' But when you take those glasses off, everything will still appear upside down until your brain recalibrates again.
When you get laser tattoo removal, the ink doesn’t disappear — you pee it out (it can also be discarded through your poop or sweat). Your body’s immune system breaks down the pigments of ink, and it flows in your blood stream, gets processed through your kidneys, then you pee out the ink.
Human beings are a cesspool of bacteria, and when you die, your body eats itself from the inside out.
A pregnant corpse will build up enough gas to expel the fetus even after death. Look up 'coffin birth.
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