You mostly breathe from only one nostril at a time!
75
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
The lifespan of a tastebud is ten days.
130
There are more bacteria in your mouth than there are people in the world.
60
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
The human brain has the capacity to store everything that you experience.
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