Complex and poorly understood, the brain is what makes everything work properly. The body may be kept alive, but without the brain, a person can’t truly live. Here are some interesting and weird facts about the brain.
- 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 properlyhydrated for the sake of your mind.
- 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 activewhen you sleep.
- 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 alsofight mental illness. Some people even believe they are smarter in their dreams than when they are awake.
- 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.
You might be surprised at the amazing things your various senses can accomplish.
- 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 blinddevelop this ability to heightened effectiveness.
- 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 atidentifying smells.
- 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.
The things our bodies do are often strange and sometimes gross. Here are some weird facts about the way your body functions.
- Earwax is necessary: If you want healthy ears, you need some earwax in there.
- Your feet can produce a pint of sweat a day: There are 500,000 (250,000 for each) sweat glands in your feet, and that can mean a great deal of stinky sweat.
- Throughout your life, the amount of saliva you have could fill two swimming pools: Since saliva is a vital part of digestion, it is little surprise that your mouth makes so much of it.
- A full bladder is about the size of a soft ball: When your bladder is full, holding up to 800 cc of fluid, it is large enough to be noticeable.
- You probably pass gas 14 times a day: On average, you will expel flatulence several times as part of digestion.
- A sneeze can exceed 100 mph: When a sneeze leaves your body, it does so at high speeds — so you should avoid suppressing it and causing damage to your body.
- Coughs leave at 60 mph: A cough is much less dangerous, leaving the body at 60 mph. That’s still highway speed, though.
Random Weird Body Facts
Here are a few final weird facts about the human body.
- Your head creates inner noises: It’s rare, but exploding head syndromeexists.
- Memory is affected by body position: Where you are and how you are placed in your environment triggers memory.
- You can’t tickle yourself: Go ahead. Try to tickle yourself.
- Being right-handed can prolong your life: If you’re right-handed, you could live up to nine years longer than a lefty.
- Only humans shed emotional tears: Every other animal that producestears has a physiological reason for doing so.