1: Tongue Print
Don't stick out your tongue if you want to hide your identity. Similar to fingerprints, everyone also has a unique tongue print!
2: Shedding
Your pet isn't the only one in the house with a shedding problem. Humans shed about 600,000 particles of skin every hour. That works out to about 1.5 pounds each year, so the average person will lose around 105 pounds of skin by age 70.
3: Bone Count
An adult has fewer bones than a baby. We start off life with 350 bones, but because bones fuse together during growth, we end up with only 206 as adults.
4: New Stomach
Did you know that you get a new stomach lining every three to four days? If you didn't, the strong acids your stomach uses to digest food would also digest your stomach.
5: Scent Remembering
Your nose is not as sensitive as a dog's, but it can remember 50,000 different scents.
6: Bacteria
This will really make your skin crawl: Every square inch of skin on the human body has about 32 million bacteria on it, but fortunately, the vast majority of them are harmless.
7: Source of Body Odour
The source of smelly feet, like smelly armpits, is sweat. And people sweat buckets from their feet. A pair of feet has 500,000 sweat glands and can produce more than a pint of sweat a day.
8: Sneeze Speed
The air from a human sneeze can travel at speeds of 100 miles per hour or more -- another good reason to cover your nose and mouth when you sneeze -- or duck when you hear one coming your way.
9: Blood Distance
Blood has a long road to travel: Laid end to end, there are about 60,000 miles of blood vessels in the human body. And the hard-working heart pumps about 2,000 gallons of blood through those vessels every day.
10: Saliva Quantity
You may not want to swim in your spit, but if you saved it all up, you could. In a lifetime, the average person produces about 25,000 quarts of saliva -- enough to fill two swimming pools!
Don't stick out your tongue if you want to hide your identity. Similar to fingerprints, everyone also has a unique tongue print!
2: Shedding
Your pet isn't the only one in the house with a shedding problem. Humans shed about 600,000 particles of skin every hour. That works out to about 1.5 pounds each year, so the average person will lose around 105 pounds of skin by age 70.
3: Bone Count
An adult has fewer bones than a baby. We start off life with 350 bones, but because bones fuse together during growth, we end up with only 206 as adults.
4: New Stomach
Did you know that you get a new stomach lining every three to four days? If you didn't, the strong acids your stomach uses to digest food would also digest your stomach.
5: Scent Remembering
Your nose is not as sensitive as a dog's, but it can remember 50,000 different scents.
6: Bacteria
This will really make your skin crawl: Every square inch of skin on the human body has about 32 million bacteria on it, but fortunately, the vast majority of them are harmless.
7: Source of Body Odour
The source of smelly feet, like smelly armpits, is sweat. And people sweat buckets from their feet. A pair of feet has 500,000 sweat glands and can produce more than a pint of sweat a day.
8: Sneeze Speed
The air from a human sneeze can travel at speeds of 100 miles per hour or more -- another good reason to cover your nose and mouth when you sneeze -- or duck when you hear one coming your way.
9: Blood Distance
Blood has a long road to travel: Laid end to end, there are about 60,000 miles of blood vessels in the human body. And the hard-working heart pumps about 2,000 gallons of blood through those vessels every day.
10: Saliva Quantity
You may not want to swim in your spit, but if you saved it all up, you could. In a lifetime, the average person produces about 25,000 quarts of saliva -- enough to fill two swimming pools!
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