![]() One of them (the “ intermaxillary” jawbone) was discovered by the writer Johann Wolfgang Goethe in 1784. Our skull □consists of 22 different bones. The length of your foot □□is roughly the same as the distance between the inside of your elbow and your wrist – try it! The width of the shoulders corresponds to a quarter of a person’s height.Įlephants and whales have heavier brains than humans but taking into account the ratio between the weight of the brain and the body humans come out on top between 1:33 and 1:44 with chimpanzees 1:150, bees 1:175, ants 1:280, dogs 1:500, elephants 1:560, Cockroach 1:3300 and whales 1:15000. One of the facts about humans sure to encourage you to clean your teeth is that there are up to 100,000 □live bacteria on a “brushed” tooth but up to one BILLION on an “unbrushed” tooth! Other measurement methods recorded 186 and 218. At the age of 10 she already achieved a value of 228. Marilyn vos Savant, an American writer, had the highest IQ ever recorded. In the evening we shrink by up to 2 cm compared to when we wake up in the morning because our spinal discs become compressed during the daytime. Women’s hearts beat faster than men’s hearts (on average 70 compared to 78 beats per minute on account of the 10% size difference). Inhaled air contains 21% oxygen, and exhaled air 16% oxygen, 4% carbon dioxide and 1% noble gas. □Women on the pill blink roughly one third more often than others.Ī person’s height is roughly the same as the length of their outstretched arms.Īn adult breathes in and out about 15 times a minute. Humans lose between 40 and 100 hairs daily, but don’t panic, one of the hair raising facts about humans is we have, on average, around 100,000 hairs and new hairs grow daily. ![]() With women it’s more complicated □Ĥ3% of all Central Europeans have the blood group A, followed by 0 (39%), B (13%) and AB (5%).Ībout 80% of people breathe through only one nostril, but this alternates regularly. The length of a man’s foot □□is approximately 1/7 of his height. Women’s tears are half a degree warmer than men’s tears. ![]() One of the surprising facts about humans is one cough can accelerate air up to a speed of 480 km/h (298 mph). An adult has 700 named muscles, 206-214 bones, over 100 joints and at least 100 billion nerve cells. ![]()
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