## Did You Know? - Numbers - Part 4

• Did you know an individual blood cell takes about 60 seconds to make a complete circuit of the body
• Did you know by age 60 most people would have lost half of their taste buds
• Did you know every square inch of the human body has an average of 32 million bacteria on it
• Did you know humans shed and regrow outer skin cells every 27 days (almost 1,000 new skins in a lifetime)
• Did you know it takes 17 muscles to smile and 43 to frown
• Did you know the human body has over 600 muscles (40% of the bodys weight)
• Did you know in 1900 the average life span in the US was 47
• Did you know the vocabulary of the average person is between 5,000 to 6,000 words
• Did you know the Cambodian alphabet has 74 letters
• Did you know the word fortnight is a contraction of the 2 words 'fourteen nights'
• Did you know there are 43,252,003,274,489,856,000 different color combinations possible on a Rubik's Cube
• Did you know the average life span of a mosquito is 2 weeks
• Did you know the Empire State Building in New York weighs over 365,000 tons
• Did you know sea water is approximately 3.5% salt
• Did you know there are over 900 species of bats
• Did you know the African Rock Python can survive 2 years without eating
• Did you know the average American will consume over 465 trees worth of paper over their lifetime
• Did you know over 550 hot dogs are eaten every second in the United States
• Did you know banana plants can grow as high as 6 meters (20 feet) tall
• Did you know once a women reachs the age of 30 they lose 1% of their bone mass every year thereafter (by the time a women is 50 she will have lost 20%)
• Did you know the average age at which America's presidents have taken office is 54
• Did you know according to manufacturer Spalding the average lifespan of an NBA basketball is 10,000 bounces
• Did you know the number 2 is the only number greater than zero that when added to or multiplied by itself gives you the same result (4)
• Did you know lion's can't roar until the age of 2
• Did you know an office desk has 400 times more bacteria than a toilet
• Did you know you have over 600 muscles
• Did you know triscadecaphobia is the fear of the number 13
• Did you know after you’ve eaten it takes approximately 12 hours for food to entirely digest
• Did you know the human eye blinks over 4,200,000 times a year
• Did you know there are 2 credit cards for every person in the US
• Did you know 40% of Amsterdam commuters get to work by bicycle
• Did you know \$30 of raw popcorn translates into \$3,000 in sales at movie theaters
• Did you know a person produces enough saliva to fill 2 average size swimming pools during their lifetime
• Did you know the average person sheds .7kg (1.5 pounds) of skin each year
• Did you know the average woman will consume over 2.7kg (6 pounds) of lipstick in their lifetime
• Did you know the human body creates 2,500,000 new red blood cells every second
• Did you know a soap bubble is 10,000 times thinner than the average human hair
• Did you know the tentacles of the giant arctic jellyfish can reach 36.6 meters (120 feet)
• Did you know If you could drive to the sun at a speed of 88.5 km/h (55 mp/h) it would take around 193 years
• Did you know the moon is 27% the size of the Earth
• Did you know the center of the Sun is approximately 15 million °C (27 million °F)
• Did you know sun light can penetrate clean ocean water up to a depth of 73m (240 feet)
• Did you know cheetahs can accelerate from 0 to 70 km/h (43mp/h) in 3 seconds
• Did you know an astronaut can be up to 2 inches taller returning from space (the cartilage disks in the spine expand in the absence of gravity)
• Did you know the oldest cockroach fossils are over 280 million years old
• Did you know there are over 97,000 km (60,000 miles) of blood vessels in the average person

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