20 amazing and weird facts about the human body

How weird and amazing is the human body? The length of the small intestine is about 7 meters and it is longer than the larger intestine. There are many interesting, weird, and amazing facts about the human body which we have never heard of. Here are 20 weird facts about the human body that might not be heard earlier.

Top 20 weird facts about the human body

1. Our brain produces enough electricity that can light a light bulb

20 Amazing and weird facts about the human Body

Your brain has around 100 billion microscopic cells, known as neurons. Whenever you think, dream, laugh or walk, tiny chemical and electrical signals are racing between these neurons, along billions of tiny neuron highways. Believe it or not, the brain never stops its activity.
Incalculable messages dash around inside it consistently like a supercharged pinball machine. Your neurons make and send a larger number of messages than all the telephones in the whole world. And keeping in mind that a solitary neuron creates just a small measure of power, amazing or weird facts about the human body is that every one of your neurons together can produce enough power to light a low-wattage bulb.

2. You Blink about 30000 times in a day time

Scientists and research have shown that the average person blinks around 15-20 times per minute or 1,200 times per hour. This means 28,800 times in a day. The purpose of blinking is mostly to lubricate the eyeballs and also protect them from dust or other air particles.

Actually closing our eyes also helps us to relax and calm momentarily and we can gather our thoughts, also we have more focus on the world around us. This blinking of eyes also serves as a momentary rest for the brain.

3. Our heart beats around 2.5 billion times

When we are asleep or resting the heart works even harder. The amazing and weird facts about the human body here are that our heart beats countless times then we can’t imagine. The normal heart rate for children above 10 years and adults is 60 to 100 beats per minute. If an average person lives to the age of 70, his heart will have beat around 2.5 billion times.

Heart Beat, weird facts about the human body

4. Your heartbeat generally syncs with the rhythm

When you are listening to music, your heartbeat will generally sync with the rhythm. Various studies and research show that listening to music initially produces varying levels of vibes and waves, resulting in accelerated breathing, increased blood pressure, and heart rate. You will find that these symptoms in your body are exactly similar to the rhythm and beats of the music you are listening.

5. The small intestine is 7 meters or 22 feet long

As the name indicates small intestines are smaller and much narrower as compared to the large intestine. but to our surprise, the small intestine is the longest section of our digestive system. On average if measured, the small intestine is 7 meters or 22 feet in length which is more than 3 times of any individual.

6. 100,000 km of blood vessels in your body or 60,000 miles

Just imagine, This length is around two and half times the circumference of Earth which is 40,075 km. The amazing and weird fact about the human body here is that If you combine the total length of all of the arteries, capillaries, and veins in any full-grown individual, it will be about 60,000 miles (100,000 kilometers) long. And The best part is that 80 percent of this length, is contributed by the capillaries, which are the smallest of the blood vessels.

7. You are 1 cm taller in the morning than you are at night

As per various studies when we are sleeping or lying down at rest during the night, the spinal cord in our body is said to “spread out” or decompress. So the effect of this is, when we get up in the morning, we are actually a little taller after the rest in bed all night.

8. What amount of spit do we produce in a lifetime?

To your imagination, That’s a wine bottle full every day, or around 20,000 liters in your whole lifetime. Again, to more your imagination, this is enough to fill two swimming pools!

9. You can’t breathe and swallow or inhale at the same time

There are some really weird facts about the human body, The swallowing process temporarily interrupts our breathing process. Just realize, the moment we swallow, we are bound to hold our breath temporarily to close the airway. This seems weird but actually keeps away any food or liquid from entering the lungs.

10. Human beings cannot digest grass

The majority of the content in grass is cellulose which is hard to digest by humans. Our body doesn’t have certain microbes which could produce the enzymes that we need to break down cellulose. Our stomach is extremely acidic with the pH being about 1-3. Meanwhile, in grass-digesting organisms like cows, the pH of the stomach is around 6 or 7, i.e., neutral.

11. Humans are the only animals with chins or Jawlines

Homo sapiens are the only creatures to have chins. The jaws of chimpanzees and apes slant inwards but can’t be defined as the chin. Even the Neanderthals, the humans’ closest extinct relatives, did not have chins.

12. The human nose can identify around 1 trillion scents or odors

The human nose can identify around 1 trillion scents or odors
The nose of a human being contains about 400 kinds of fragrance receptors that can differentiate among at least 1 trillion scents.

13. How Many Megapixels Is the Human Eye?

Today, the Hasselblad H6D-100C HIGH-QUALITY camera is considered the highest in resolution with 199 MP resolution. However, as per researcher and picture taker Dr. Roger Clark, the human eye’s resolution is about 576 megapixels, which is immense when contrasted with the 12 megapixels of an iPhone 7’s camera.

Human Eye 576 Megapixel

14. Stomach acid can dissolve metal

This is known about the presence of acids in our stomach, very significant for digesting the food we eat. But to our surprise, the weird facts about the human body is that this acid in our stomach is so strong, that it can melt or even dissolve the real metal.

The acid produced by our Stomach ie gastric acid or gastric juice is a combination of Hydrochloric acid (HCl), potassium chloride (KCl), and sodium chloride (NaCl). The PH value of this acid in our stomach is generally found between 1-3, which is very acidic. Also, here to mention that these pH levels of our stomach acid are in almost the same category as battery acid of vehicles that can even dissolve steel.

15. There are 1000 different bacteria living on your skin

Our skin protects our body against various bacteria. But to surprise, The skin itself contains around 1000 different species of bacteria. This is the reason; the outer layer of our skin continually renews itself in our lifetime. This complete process of renewal of skin cells takes approximately 28 days.

16. Sneezes are speedy

The writer Patti Wood, author of “Success Signals: Understanding Body Language” says that sneezes travel at the speed of about 100 miles per hour. Here the weird facts about the human body are that even a single sneeze can transfer 100,000 germs into the air. A simple cough can travel at a speed of around 50 miles/ph and release almost 3,000 droplets in just one go in the air. And to the next level, sneezes can travel up to 100 mph and release about 100,000 droplets in one go.

17. There are 4 main blood groups, namely A, B, AB, and O

In human beings, there are 4 main blood groups, namely A, B, AB, and O. The blood group is generally determined by the genes inherited from our parents. Each blood group is either RhD positive or negative, making a total of 8 blood groups in all. Strange is that, Cows have around 800 blood types.

18. Humans are born with over 300 bones, but by adulthood, this number decreases to 206

Human babies have more than 300 bones at the time of birth and with time it decreases to 206. Actually, at the time of birth, it is more cartilage than bone in babies, and over the years with the development of the body, most of the cartilage transforms into bone. And with time, the adult skeleton of a human being remains with 206 bones.

19. The human body can produce enough heat to boil half a gallon of water

Yes, it is another very shocking and weird facts about the human body, but it’s true that the human body can produce enough heat in just half an hour, to boil half a gallon of water.

20. Our ear never stops growing!

Yes, this is true, the reason behind this is that bones stop growing after certain age or puberty. But on the other side cartilage in our body, is present in the ear, and the nose continues to grow throughout. This makes our noses, earlobes, and ear muscles keep getting bigger with the age.

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