21 Little Known Facts About the Human Body

Here's an interesting collection of facts about the human body that we discovered during our recent homeschool unit about humans. Some are a little weird, but all are very interesting!

Little Known Fact About The Human Body #1 ~
A human sneeze creates a blast of air that can be moving more than 100 miles per hour.

Little Known Fact About The Human Body #2 ~
A human body sheds about 600,000 particles of skin every hour; that's about 1.5 pounds a year. By age 70, an average human will have lost 105 pounds of skin.

Little Known Fact About The Human Body #3 ~
A human's risk of heart attack is higher on Monday than any other day of the week.

Little Known Fact About The Human Body #4 ~
The average human drinks about 16,000 gallons of water in his or her lifetime.

Little Known Fact About The Human Body #5 ~
A baby human's fingerprints are formed after just thre months of the pregancy.

Little Known Fact About The Human Body #6 ~
Humans lose an average of 40 to 100 strands of hair every day.

Little Known Fact About The Human Body #7 ~
Humans use 17 muscles to smile and 43 muscles to frown. So frowning is better exercise!

Little Known Fact About The Human Body #8 ~
Human fingernails grow a bit faster than human toenails.

Little Known Fact About The Human Body #9 ~
The fastest growing hairs on the human body are men's beard hairs. If the average human male never trimmed his beard, it would grow to almost 30 feet long in his lifetime.

Little Known Fact About The Human Body #10 ~
Each time you lick stamp, your body consumes one tenth of a calorie.

Little Known Fact About The Human Body #11 ~
By the time it is seventy years old, your human heart will have beat an average two-and-a-half billion times.

Little Known Fact About The Human Body #12 ~
Human babies are born with 300 bones, but by adulthood they only 206 bones in their bodies.

Little Known Fact About The Human Body #13 ~
Each square inch of the human body has an average of 32 million bacteria on it. Yuck!

Little Known Fact About The Human Body #14 ~
To completely regrow a human fingernail or toenail, all the way from base to tip, takes about 6 months.

Little Known Fact About The Human Body #15 ~
Human eyes have some interesting quirks Try this: the next time you've spent a few hours working at your computer display, look at a blank piece of white paper. It will probably appear pink. Or this: next time your drive on the interstate, staring at the road for several hours, pull over and look at trees or buildings (anything but the road). Stationary objects will seem to be falling away from you.

Little Known Fact About The Human Body #16 ~
When a human coughs, he or she releases an explosive charge of air that can be moving at up to 60 miles per hour.

Little Known Fact About The Human Body #17 ~
One their first day, each human spends about half an hour as a single cell.

Little Known Fact About The Human Body #18 ~
Every square inch of human skin is made up of twenty feet of blood vessels.

Little Known Fact About The Human Body #19 ~
The average human scalp has around 100,000 hairs on it.

Little Known Fact About The Human Body #20 ~
By the time they are sixty years old, most humans have lost half of their taste buds.

Little Known Fact About The Human Body #21 ~
Just like we have finger prints, every human body also has a unique tongue print.

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