How many sperm cells does the human body producer per day, what it the one organ that keeps growing your entire life time, what planet can the human eye see in space, is our blood really red? More interesting things about the Incredible human body facts.
Our eye are very sensitive and can notice single light photons. on a bright day, the eye can see the Andromeda star group, the nearest galaxy to earth – without any telescopes. That galaxy is 2 and a half million light years away. but when the those light rays started their journey from Andromeda to our eyes, there were no humans on earth. Which means that when we look to that galaxy, we are actually looking back in time – around 2,500,000 years back.
The world in two testicles
Man’s testicles produce over 10,000,000 sperm cells everyday. this is enough sperm to repopulate the entire earth population within 6 months.
Disappearing brain
By the age of 35, a human will lose about 7,000 brain cells everyday. Unfortunately for us – those cells will never re-new.
From North america to South america
The human lungs include over 300,000 tiny blood vessels if we put them next to each other – they will reach to about 2400 km like the distance mentioned above.
Strong bones
The human skeleton is as strong as granite stone. if we make a brick from a human bone – it could support up to 9 tons of weight, just like concrete.
An air to breath
A man can survive in space a few seconds without an oxygen mask. in about 7 seconds without oxygen – he will faint, and in about 4 and a half minute – the brain will die.
Easy fasting
Evidence from the past says that a human can survive 40 days without food, 11 days without sleep, 6 days without drinking and 4 minutes without air.
Senses
The human eye can notice about 1,000,000 different colors and shades. but only 90% of that information is transferred to the brain. Our nose, on the other hand, can tell the difference between 50,000 odors.
Down to my knees
The beard is the fastest growing hairs in the body.
Not just a thumb
Our thumb in the feet is one of the most important structures in our body, and helps to keep our body stable while standing.
Light on skin
Every half cm of skin includes 5 meters of blood vessels, 3 meters of nerve fibers, 1,300 nerve endings, 100 sweat glands and 3,000,000 cells.
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