Human Body

1. Brain

* 100 billion = the number of neurons in your brain
* Neurons to and from the brain travel as fast as 170 miles (274 km) per hour.
* 100,000 = the number of miles of blood vessels in your brain
* 4 to 6 = the number of minutes your brain can survive without oxygen before it starts to die
* 8 to 10 = the number of seconds you have before losing consciousness due to blood loss
* Each person has about the same number of brain cells at birth as in adulthood, but those cells grow, reaching maximum size at about age six.
* The human brain cell can hold 5 times as much information as the Encyclopedia Brittanica.
* Your brain is the most fatty organ in your body!
* Your brain knows when you tickle yourself, which is why you don’t bend over laughing.

2. Bones, & Muscles

* It takes the interaction of 72 different muscles to produce human speech.
* Relative to size, the strongest muscle in the body is the tongue.
* Human thigh bones are stronger than concrete.
* Your muscles make up about one-half of your body weight
* You were born with 300 bones. When you get to be an adult, you have 206.
* The human head is one-quarter of our total length at birth but only one-eighth of our total length by the time we reach adulthood.
* You use an average of 43 muscles for a frown.
* You use an average of 17 muscles for a smile.
* Fingernails grow nearly 4 times faster than toenails.
* There are nine muscles in your ear.
* The enamel in your teeth is the hardest substance in your body


3. Skin

* If you were to remove your skin, it would weigh as much as 5 pounds
* There are 45 miles (72 km) of nerves in the skin of a human being.
* 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.
* 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.
* Your skin is the largest organ in your body and in a male adult, if it were to be stretched out, it would cover roughly 20 sq ft.

4. Eyes

* Women blink nearly twice as much as men.
* If you go blind in one eye you only lose about one fifth of your vision but all your sense of depth.
* Our eyes are always the same size from birth, but our nose and ears never stop growing.
* The average human blinks their eyes 6,205,000 times each year.
* The entire length of all the eyelashes shed by a human in their life is over 98 feet (30 m).
* When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate
* The eye of a human can distinguish 500 shades of the gray.
* People generally read 25% slower from a computer screen compared to paper.
* All babies are colour blind when they are born.

5. Heart

* The average human heart will beat 3,000 million times in its lifetime and pump 48 million gallons of blood.
* In one hour, your heart works hard enough to produce the equivalent energy to raise almost 1 ton of weight 1 yard off the ground.
* A woman’s heart beats faster than a man’s.

6. Blood

* 15 million blood cells are destroyed in the human body every second.
* Human blood travels 60,000 miles (96,540 km) per day on its journey through the body.
* If they were laid end to end, the blood vessels in your body would wrap around the equator 2 1/2 times
* Blood accounts for about 8% of a human’s body weight.

7. Cells

* 50,000 of the cells in your body will die and be replaced with new cells, all while you have been reading this sentence
* Every day an adult body produces 300 billion new cells
* The largest cell in the human body is the female egg and the smallest it the male sperm.
* There are approximately 45 billion fat cells in an average adult.

8. Sex

* On average, men produce about 10 million new sperm daily. That’s enough to repopulate the entire planet in 6 months.
* A female’s ovaries have over half-a-million eggs, but only about 400 of them will ever get the opportunity to create life.
* One out of seventeen, or 400,000,000 people have sex a day. 4,000 people are doing it right now!
* The fastest speed a sexy sensation can travel from your va-jay-jay to your brain has been clocked at the Ferrari-fast speed of 156mph
* The average amount of time spent kissing for a person in a lifetime is 20,160 minutes.
* A kiss for one minute can burn 26.

9. Hair

* An average human scalp has 100,000 hairs.
* On average, a man spends about five months of his life shaving.
* In a lifetime, an average man will shave 20,000 times.
* Eyebrow hair lasts between 3-5 months before it sheds.
* Everyday approximately 35 meters of hair fiber is produced on the scalp of an adult.

Some more mind blowing facts

* The average cough comes out of your mouth at 60 miles (96.5 km) per hour.
* The air from a human sneeze can travel at speeds of 100 miles per hour or more
* In the average lifetime, a person will walk the equivalent of 5 times around the equator.
* During a 24-hour period, the average human will breathe 23,040 times.
* Similar to fingerprints, everyone also has a unique tongue print
* In a lifetime, the average person produces about 25,000 quarts of saliva — enough to fill two swimming pools!
* You burn 26 calories in a one minute kiss
* If the average male never shaved, his beard would be 13 feet long when he died.
* Except for identical twins, every person on earth has a unique smell.
* There are more than 300,000,000 capillaries in your lungs and if they were stretched out tip to tip they would reach over 1,500 miles – long enough to start in Los Angeles and end up in Atlanta.
* Our body is hot. So hot, in fact, that in just 30 minutes your body can produce enough heat to boil a half gallon of water.
* By the time you go to bed at night you are about 1 cm shorter than when you woke up that morning. This is because the cartilage between your bones is compressed throughout the day.
* Your nose is not as sensitive as a dog’s, but it can remember 50,000 different scents.

http://blog.projectshamba.com/2162/fun-facts-will-blow-mind/#Human_Body

Educative.

Josephjnr:
Educative.

Thanks!

Modified , Seun I think it is time you upgrade your text area to accept HTML or a More updated version of BB Code.
I passed through hell editing this post.

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