Amazing Facts About Human Body | 25 Most Interesting Biology Facts



In every human body, different organs work together in performing a single function. You can take the example of our digestive system, where organs such as the stomach, intestines, and other organs help in the digestion of food by breaking down food. In a similar way, several organs work together when you breathe. These include your nose, mouth, and your lungs. Now let us know some of the most amazing facts about the human body.

1. Cornea Receives Oxygen from the Air

Our cornea is the only part of our body, which receives no blood supply and derives oxygen from the air.

2. Our Brain has Larger Space than any Hard Drive

Have you ever wondered about the capacity of our brain? It is more than four terabytes on a hard drive.

3. Women Heart Beats Faster Than Men's

Women have smaller hearts compared to men and hence beat faster than men. While on average a man's heart makes 70 beats in a minute, a woman's heart makes 78 beats at the same time.

4. We Have Only 206, but Infants Have 300

This is because as we grow older, our bones start to fuse together, and hence when we become an adult we have 206 bones.

5. Hands, Feet, and Skull have the most bones

Your hands, feet, ankles, and wrists comprise 50% of the total bones present in your body. There are 54 bones in your hands, 52 in feet, while your skull has 29.

6. Blushing Makes Your Stomach Red

This is because when you blush, your body releases a surge of adrenaline hormones, which make tiny blood vessels throughout your body. The blood vessels increase the blood flow even in your stomach making it red.

7. Your Heart Stops Beating When You Sneeze

Sneezing causes the development of a momentary increase in the pressure in the respiratory system and decreases the flow of blood back to the heart. The heart compensates and changes its regular heartbeat.

8. Your Body Produces New Cells that Exceed the Population of the US

Your body produces 25 million new cells every second, which means that in just 15 seconds your body will produce cells that would exceed the US population. That's massive and one of the most interesting facts about human body.

9. Travelling Around the World Takes Less Time than Connecting all Your Blood Vessels

The blood vessels in your body extend to 60,000 to 100,000 miles. If you take them out and lay them end to end, the length would be long enough to travel the world more than three times.

10. We Forget Most of Our Dreams

An average person forgets 90% of their dreams. isn't it one of the most amazing facts about human body? Read more!

11. Bones are Stronger than Steel

Yes, our bones are extraordinarily strong. A cubic inch of bone and a cubic inch of steel can bear the same weight- 19,000 lbs.

12. We use 10% of Our Brain When We Work

It is a myth that we only use 10% of our brain. The reality is we use the whole of it and more than 10% when we sleep.

13. Cholesterol is Important for Our Body

Cholesterol helps in learning and memorizing things. However, cholesterol at high rates has different effects, which depends upon your age and other factors.

14. Your Brain Works More When You Dream

When you dream, you combine imagination, and psychological and neurological factors, which means your brain works even when you sleep.

15. Your Brain Occupies a Little Mass and More Oxygen

The brain occupies 20% of your total body mass, yet consumes 20% of the total oxygen and blood supply.

Read More: Joints: Types of Joints | Classification of Joints

16. Teeth are not Bones

Although your teeth form a part of the skeletal system, they are not the bones. This is because teeth lack the regenerative properties that bones have, as they do not grow back if broken.

17. Humans are not the Biggest, yet Faster Runners

This is because of our long legs and the straight posture. Besides, we are capable of shedding the heat in the form of sweat, which makes us good runners.

18. Your Fingernails Grow Faster than Toenails

This is because we work more with our hands and fingers involved in more work than our toenails. Besides, you expose your fingernails to sun and air, which aids in their growth. Hence, your fingernails grow three to four times faster than your toenails.

19. Your Eyelashes Grow After Every 150 Days

Your eyelashes start to grow until they reach optimum length, fall out, and replenish themselves after every 150 days. Although the shedding cycle varies from person to person and in length, all the sets of eyelashes follow the pattern.

20. Your Eyelashes Grew Before You Were Born

Science claims that your eyelashes started growing when you were only 7 to 8 weeks in the womb.

21. Your Body Comprises of Common Chemicals

Your body has enough sulfur that can kill all the fleas on a dog with average body mass, carbon to manufacture 900 pencils, potassium to burn a toy cannon, fat to make seven soap bars, and water to fill a barrel of 50 liters.

22. You can recall most of the information by the end of your life

Yes, it is true that a person by the end of his or her life can recall approximately 150 trillion pieces of information. Isn't it astonishing?

23. When Water Loss Equals 1 Percent Of Your Body Weight, You Feel Thirsty

You feel thirsty when you lose water equal to 1 percent of its weight. This loss of water might cause you to faint and accounts for over 10 percent of causes of death due to dehydration.

24. Only 1% Bacteria Is Enough To Cause Illness

Only a few microbes, less than 1 percent can invade our body and cause diseases like measles and flu. Won't you count this one under the most interesting facts about the human body?

25. Probiotics or Live Bacteria Dwell in Your Body

Probiotics include lactobacillus and bifidobacterium that live bacteria that live in your body and helps your intestinal bacteria in digesting the food. Besides, it also helps with other digestive problems such as diarrhea and bellyache. We will be back with some more "most amazing facts about the human body"! Keep reading...

Read More: Human Skeletal System - Types of Bones | Body Movements

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