one is every 1000 babies is born with a tooth.
a person will die from lack of sleep sooner than they will from starvation, which usually take a few weeks.
eighty percent of people infected with ebola virus, will die from the disease.
humans have 46 chromsomes, peas have 14 and crayfish have 200.
there are appromately 96,000km of blood vessels in the human body.
if the lining of mucus were disappear from our stomach, your stomach would digest itself.
each person shed 22 kilograms of skin in his or her lifetime.
more germs are transferred shaking hands then kissing.
your heart beats 100,000 times a day.
a foretus only acquires fingerprints at the age of three months.
guys are more like tahn girls ( by a ratio of 3 to 2 ) to have a bad acne.
we share 98.4% of our dna with a chimp and 70% with a slug.
human foretuses react to loud rock music by kicking.
if you remove the minerals from a bone by soaking it overnight in a six percent solution of hydrochloric acid, it will become so soft, you could tie in a knot.
one person in 20 has extra rib, and they are most often men.
when you were born, you has 300 bones. now, you have 206, if you are an adult. the rest of the bones have not disappeared - they merely fused together.
the female egg cell in the largest cell in the human body. it is about 175,000 times heavier the smallest cell, the male sperm cell.
the average person has about 100,000 scalp hairs.
when you look at an object, the image of that object appear bupside on your retina. however, your brain automatically correct for this, allowing you to percieve the object side up.
enamel found on our teeth, is the hardest substance in the human body.
aspirin and alcohol can be asborbed directly into the bloodstream though the stomach lining.
the soles of your feet contain more sweat glands and more pressure-sensitive nerve endings per square inch than any other part of your body.
like fingerprints, every person has a unique tongue print.
the kidneys filter your blood up to 300 times per day.
during the first six weeks of life, there is no difference between the male and female embryo.
human fungus stretch and bend about 25 million times in a normal liftime.
the human body contains 30,000 billion red blood cells.
tooth decay had led to 60 percent of adult americans losing the upper right middle molar.
there is no medical or earthly facts that can explains me, my family is stumped, too.