101 weird human body facts

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Weird Human Body Facts

The human body is an extremely complex and intricate system, some weird facts about human body.
7.
Neurons continue to grow throughout human life. For years scientists and doctors thought that brain and neural tissue couldn't grow or regenerate. While it doesn't act in the same manner as tissues in many other parts of the body, neurons can and do grow throughout your life, adding a whole new dimension to the study of the brain and the illnesses that affect it.

8.
Information travels at different speeds within different types of neurons. Not all neurons are the same. There are a few different types within the body and transmission along these different kinds can be as slow as 0.5 meters/sec or as fast as 120 meters/sec.

9.
The brain itself cannot feel pain. While the brain might be the pain center when you cut your finger or burn yourself, the brain itself does not have pain receptors and cannot feel pain. That doesn't mean your head can't hurt. The brain is surrounded by loads of tissues, nerves and blood vessels that are plenty receptive to pain and can give you a pounding headache.

10.
80% of the brain is water. Your brain isn't the firm, gray mass you've seen on TV. Living brain tissue is a squishy, pink and jellylike organ thanks to the loads of blood and high water content of the tissue. So the next time you're feeling dehydrated get a drink to keep your brain hydrated.

11.
Facial hair grows faster than any other hair on the body. If you've ever had a covering of stubble on your face as you're clocking out at 5 o'clock you're probably pretty familiar with this. In fact, if the average man never shaved his beard it would grow to over 30 feet during his lifetime, longer than a killer whale.

12.
Every day the average person loses 60100 strands of hair. Unless you're already bald, chances are good that you're shedding pretty heavily on a daily basis. Your hair loss will vary in accordance with the season, pregnancy, illness, diet and age.

13.
Women's hair is about half the diameter of men's hair. While it might sound strange, it shouldn't come as too much of a surprise that men's hair should be coarser than that of women. Hair diameter also varies on average between races, making hair plugs on some men look especially obvious.

14.
One human hair can support 3.5 ounces. That's about the weight of two full size candy bars, and with hundreds of thousands of hairs on the human head, makes the tale of Rapunzel much more plausible.

15.
The fastest growing nail is on the middle finger. And the nail on the middle finger of your dominant hand will grow the fastest of all. Why is not entirely known, but nail growth is related to the length of the finger, with the longest fingers growing nails the fastest and shortest the slowest.

16.
There are as many hairs per square inch on your body as a chimpanzee. Humans are not quite the naked apes that we're made out to be. We have lots of hair, but on most of us it's not obvious as a majority of the hairs are too fine or light to be seen.



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