Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
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An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
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Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
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You see your nose at all times, your brain just chooses to ignore it.
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In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
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The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
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In 1996, research found that having excessive body hair is linked to higher intelligence.
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