Saturday 31 December 2011

Some weird facts about human body

Weird but interesting facts about human body... 

  • The brain doesn’t feel pain: Even though the brain processes pain signals, the brain itself does not actually feel pain.
  • Your brain has huge oxygen needs:Your brain requires 20 percent of the oxygen and calories your body needs — even though your brain only makes up two percent of your total body weight. 
  • 80% of the brain is water: Instead of being relatively solid, your brain 80% water. This means that it is important that you remain properly hydrated for the sake of your mind. 
  •  Males sweat 40% more then females.
  • Your brain comes out to play at night: You’d think that your brain is more active during the day, when the rest of your body is. But it’s not. Your brain is more active when you sleep.
  • Right-handed people live, on average, nine years longer than Left-handed people do.
  • Your brain operates on 10 watts of power: It’s true: The amazing computational power of your brain only requires about 10 watts of power to operate.
  •  A higher I.Q. equals more dreams: The smarter you are, the more you dream. A high I.Q. can also fight mental illness. Some people even believe they are smarter in their dreams than when they are awake. 
  •  Testosterone in males decreases 10% every 10 years.
  • Adrenaline gives you super strength: Yes, with the proper response in certain situations, you really can lift a car. 
  • Women smell better than men: Women are better than men at identifying smells.
  • The brain changes shapes during puberty: Your teenage years do more than just change how you feel; the very structure of your brain changes during the teen years, and it even affects impulsive, risky behavior. 
  • Your brain can store everything: Technically, your brain has the capacity to store everything you experience, see, read or hear. However, the real issue is recall — whether you can access that information. 
  • Information in your brain travels at different speeds: The neurons in your brain are built differently, and information travels along them at different speeds. This is why sometimes you can recall information instantly, and sometimes it takes a little longer. 
  • Your smell is unique: Your body odor is unique to you — unless you have an identical twin. Even babies recognize the individual scents of their mothers. 
  • Humans use echolocation: Humans can use sound to sense objects in their area using echolocation. It is thought that those who are blind develop this ability to heightened effectiveness.
  • Your nose remembers 50,000 scents: It is possible for your nose to identify and remember more than 50,000 smells. 
  • Your hearing decreases when you overeat: When you eat too much food, it actually reduces your ability to hear. So consider eating healthy — and only until you are full. 
  • Your sense of time is in your head: How you experience time is all about your perception. Some speculate that stress can help you experience time dilation. Apparently, time manipulation isn’t just for superheroes.

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