♣ In one hour, your heart works hard enough to produce the equivalent energy to raise almost 1 ton of weight 1 yard off the ground. ♣ Scientists have counted over 500 different liver functions.
♣ In 25 square milimeters of skin there lies 3.6 meters of nerve fibers, 1300 nerve cells, 100 sweat glands, 3 million cells, and 2.7 meters of blood vessels.
♣ The structural plan of a whale's, a dog's, a bird's and a man's 'arm' are exactly the same.
♣ The world's first test-tube twins were born in June 1981.
♣ In a year, a person`s heart beats 40,000,000 times.
♣ Most people blink about 25 times a minute.
♣ Nerve impulses to and from the brain travel as fast as 170 miles per hour.
♣ Your stomach has to produce a new layer of mucus every two weeks otherwise it will digest itself.
♣ 50,000 of the cells in your body will die and be replaced with new cells, all while you have been reading this sentence!
[ deci aproximativ 600.000 de celule citind tot articolul, inclusiv asta :) (cronometrat) ]
