Do you know about the human body?










During speech, a person uses between seventy and eighty muscles.
The human eyebrow has between four and fifty hairs.
 During sneezing all organs of the body stop functioning including the heart.
 Man can not tickle himself.
Each person has a distinctive smell that distinguishes him from the rest of the drink except for the identical twins who have the same smell.

 The largest number of bones is concentrated in the hands and feet.
 The right lung can absorb more air than the left lung.
A person spends about a third of his life sleeping.
The cornea of ​​the eye is considered the only part that blood never reaches.
 The man's sense of smell and touch is weaker than that of a woman.
 Man is the only living creature who has sex for pleasure.
The human body contains six liters of blood.
 The number of bones of the human body is two hundred and six.
 The human body contains six hundred and thirty-nine muscle, the largest muscle thigh.
The last sense lost by man at his death







The female ovary produces about half a million eggs during its own fertility period, but the number of fertilized eggs does not exceed four hundred thousand eggs.
 When feeling scared, the human body produces double amounts of ear wax.
 A man uses about thirty-four muscles, while seventeen muscles are used during the treatment.
 The largest number of bones is concentrated in the hands and feet.
 The right lung can absorb more air than the left lung.
A person spends about a third of his life sleeping.
The cornea of ​​the eye is considered the only part that blood never reaches.
The amount of heat emitted from the normal human body per day is enough to heat 40 liters of water to boiling.




In general, the left ear is most likely to be hearing from the right ear.
The blood is cut in the human body, equivalent to a distance of nine kilometers per day in the arteries and veins.
The human body has about 25 billion bloodbodies.
The length of blood vessels in the human body is about six hundred thousand kilometers.
 The human nose can differentiate between about 500 thousand different smells.
 If the body is exposed to dehydration and more than 20% of the fluid in it is lost, it dies.
The size of the eyes remains constant since the birth of the human being until his death while the other parts, such as the nose and ears, grow with age.








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