Top 10 Amazing Facts About The Human Body

The human body is one of the most complicated machines in the world. But unlike the mechanical ones, the human body has no spare parts. Here are the top ten amazing facts about the human body.

10. The brain does not feel any pain.

While the brain processes pain signals, it does not actually feel pain. This is due to the fact that there are no pain receptors in the brain. A headache emanates from the muscles surrounding the head and not from the brain itself.

9.  80% of the brain is composed of water.

The brain contains fluid which serves as a shock absorbent that protects the brain. So it is important to always keep yourself hydrated in order to protect your brain.

8.  Your brain is more active when you rest.

You would think that the brain is more active when your entire human body is at work too. The truth of the matter is that it is not. It is more active at night when you are sleeping. A recent study by the University of Chicago revealed that sleeping can help the brain learn complicated tasks. Likewise, it can help recover previous knowledge.

7. Adrenaline gives you super strength.

Can adrenaline rush really make you as strong as Superman? Epinephrine (the scientific name of adrenaline) is released from the adrenal glands in times of emergency or danger. When it finds its way into the bloodstream, adrenaline boosts the supply of oxygen and glucose to the brain and muscles.

6. Overeating can decrease your hearing ability.

Just like smoking, too much eating can have an impact on your ability to hear. This is because overeating reduces blood circulation throughout your body.

5. Babies have blue eyes during birth.

Ever wondered why newborn babies have blue eyes when they are born? Melanin, the pigment that brings color to your hair, skin, and eyes have not yet been fully deposited in the iris or darkened by exposure to sunlight. As your baby gets older, the amount of melanin increases thus revealing the true color of their eyes.

4. The amount of saliva your mouth makes throughout your lifetime can fill two swimming pools. 

Saliva is a vital part of digestion, so your mouth makes a lot of it throughout your life.

Human Body

Amazing Facts About The Human Body

3.  A sneeze can travel high speed up to 100 mph.

Your sneeze leaves your body at high speed up to 100 mph. Suppressing it can be dangerous to your body.

2.  Your height in the morning is different from that in the evening. 

Have you ever wondered why you feel much taller in the morning? This is because your bone cartilages are compressed at this time of the day so you feel much shorter come evening.

1. Frowning involves more muscle groups than smiling.

Although there is no definite number, it will require more muscles to frown than to smile. On the average, it would require 12 muscles to frown and 11 to smile. Smiling takes less effort than frowning. So, one is always encouraged to smile.

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