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30 Amazing Facts About Human Body & Health

Water in human body
1. Water In Human Body

The quantities of Water in the human body are enough to fill a 35 to 50 litre container

Fat in human body
2. Fat in Human Body

The quantities of Fat in the human body are enough to make 7 bars of soap.

Carbon in human body
3. Carbon in Human Body

The quantities of Carbon in human body are enough to make a 900-pencil mine

Potassium in human body
4. Potassium in human body

The quantities of Potassium in the human body are enough to fire a toy gun.

Sulfur in human body
5. Sulfur in human body

The quantities of Sulfur in human body are enough to kill all the fleas of a medium-sized dog.

Cell Renewal
6. Cell renewal

While you’re reading this sentence, 50,000 cells in your body died and were replaced by new ones.

Human Saliva
7. Human Saliva

A human being produces about half a litre of saliva per day. Some even reach two litres daily. This amount accumulated over a lifetime would be enough to fill two Olympic swimming pools.

Human Bones
8. Human Bones

A human bone is stronger than a steel bar of the same size and thickness. Still, it is possible to fracture it, as many of us have experienced. Also the human body has a total of 206 bones. Over a quarter of them are at the bottom: in the feet. Each foot has 26 bones: 7 tarsals, 5 metatarsals and 14 phalanges (three in each toe, except for the largest which has two).

Big Human Heart
10. Big Human Heart

Throughout a life, the human heart pumps up to 182 million litres of blood.

Human Cough
11. Human Cough

When we cough, we produce a current of air that passes through the airways at almost 100km/h.

What Happens When We Sneeze?
12. How We Sneeze

We can try it hundreds of times, but we’ll never be able to sneeze with our eyes open. Have you tried?

Human Brain As A Computer
13. Human Brain As A Computer

The brain’s storage capacity, if it were compared to a computer, would be 10 to 100 terabytes. Some scientists even assume this figure to be 2.5 petabytes or 2.5 million gigabytes. Hypertext Magazine calculated that this would be the equivalent of storing 3 million hours of videos.

Nerve Cells
14. Human Neurons

A nerve impulse, once sent from the brain, travels through the body at a speed of 274km/h.

Human Body Blood Vessels
15. Human Body Blood Vessels

The accumulated length of the body’s blood vessels is almost 100,000 kilometers.

16. Thirst Sensation
16. Thirst Sensation

The sensation of thirst appears when the body loses the equivalent of 1% of its body weight. A loss of 5% represents a severe degree of dehydration and may cause fainting. If the decrease is greater than 10%, it could cause death.

Toddlers Ask Questions
17. Toddlers and Kids Ask Questions

A 4-year-old can ask up to 450 questions a day.

Sleeping Fast
18. Sleeping Fast

A healthy person takes an average of 7 minutes to fall asleep. The U.S. National Sleep Foundation says that you may have problems getting rested if you take half an hour or more to fall asleep.

How Many Lefties?
19. Left Handed People

According to a study by the National and Kapodistric University of Athens (Greece) and the University of St Andrews (United Kingdom), about 10.6% of the world’s population is left-handed.

Our Hair
20. Our Hair

If all the hair on our body did not fall out or be cut during our entire lives, its total length could reach an average of 725km.

20. Bacteria On Our Body
Bacteria On Our Body

The total weight of all the bacteria that a human being accumulates, is approximately 2 kilograms (4.4 pounds).

21. Human Tongue
21. Human Tongue

In proportion to its size, the tongue is the strongest muscle in the human body.

22. Human Intestines
22. Human Intestines

A person’s small intestine measures around 3.5 meters.

23. Breathing
23. Breathing

In 24 hours, a person can inhale and exhale about 17280-23040 times.

24. Powerful Eyes
24. Powerful Eyes

Scientists estimate that the human eye is able to distinguish up to 100 colour variations that combine in up to 1 million colour tones.

The muscles of the eyes that allow us to focus on images move about 100,000 times a day. This effort would be the equivalent of walking 80km a day.

25. Powerful Taste
25. Powerful Taste

From the age of 60, people lose many of their taste receptors. However, the sensation of what pleases the palate does not disappear.

26. Effect of Gravity On Ears & Nose
26. Effect of Gravity On Ears & Nose

Our eyes are the same size as when we were born, but our noses and ears never stop growing. This behavior happens due to their cartilaginous formation that deforms the body parts with the force of gravity.

27. What is Worst Hunger or Lack of Sleep?
27. What is Worst Hunger or Lack of Sleep?

If a person were deprived of both food and rest, they would die of sleep and not of hunger. Our organism survives up to 14 days without food, but it can’t stand more than 10 days without sleep.

28. Human Eye Lashes
28. Human Eye Lashes

A person has about 250 lashes in each eye. The lifespan of these lashes is 4 months, so they grow much faster than the hair on the head.

29. Do We Have Only 5 Senses?
29. Do We Have Only 5 Senses?

The five main senses – smell, taste, sight, hearing and touch – have a number of ramifications. Among them are proprioception (perception of movement), thermoception (feeling changes in temperature) and synesthesia (ability to relate sounds, flavours and colours to each other).

30. Strong Fingers But No Mucles
30. Strong Fingers But No Mucles

Fingers help us use our strength in everyday life, but they don’t have muscles. They’re composed of bones and tendons only.

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