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The strangest facts about the human body, you will hear it for the first time

  General facts about the human body

The strangest facts about the human body, you will hear it for the first time
The strangest facts about the human body,

The general facts about the human body include:

Ø  The mouth produces about a liter of saliva daily.

Ø  The brain is sometimes more active at sleep.

Ø  The body contains blood vessels, which can rotate four times around the Earth's equator adults.

Ø  The human body loses about four kilograms of skin cells every year.

Ø  Children can not shed tears until at least one month.

Ø  The human left the lung is about 10% smaller than the right lung.

Ø  The human nose can recognize a trillion different smells, according to scientists.

Ø  Blood forms about 8% of body weight.

Facts about the human brain

 From the facts about the human brain include:

Ø  The average weight of a human brain at birth is 350-400 grams and grows four times its original size until it reaches about a kilo and a half at puberty and the weight of the male brain is greater than the brain of the female.

Ø  The human brain consists of approximately 75% water, plus fat and protein.

Ø  The adult brain has about eighty-six billion nerve cells, or neurons, that carry information, move it between sensory organs, and muscles in different parts of the body.

Ø  The human brain is made up of billions of glial cells, which help connect nerve cells to each other, cleanse excess neurotransmitters and support the growth of the body.
The brain requires about 20% of the body's oxygen and 25% of the body's glucose, although it accounts for 2% of the total body weight.

Ø  Strong brain injury is a major cause of disability and death, especially injuries caused by falls, car accidents, and assaults.

Ø  The human brain becomes smaller as it ages, usually after middle age.

Facts about the human heart

 The facts about the human heart include:

                  1- The the average size of the heart is roughly the size of a fist in adults, beating about 115,000 times a day, pumping about 7,570 liters of blood per day, and the first, open heart surgery was performed in 1893 by Daniel Hill Williams.

                  2- The woman's heart beats a little faster than the man's heart.

                  3-  Produces the sound of the heartbeat; due to the opening and closing of the valves.

                  4- Heart cells stop dividing, making the heart's cancer very rare.

                  5-  Laughter is good for the heart; it reduces stress and enhances the immune system.

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