Did you know facts › Human body
Human body did you knows
- Did you know the human eye can detect more shades of green that any other colour
- Did you know you can't tickle yourself
- Did you know the average person has over 1,460 dreams a year
- Did you know a baby fetus develops fingerprints at eighteen weeks
- Did you know a hippopotamus can run faster than a man
- Did you know the night vision of tigers is 6 times better than humans
- Did you know the average person consumes over a ton of food and drink each year
- Did you know there are over 100 different viruses that cause the common cold
- Did you know acorns are poisonous to humans (if eaten it can cause damage to your kidneys)
- Did you know humans are the only primates that don't have pigment in the palms of their hands
- Did you know a person will die from total lack of sleep sooner than from starvation (Death can occur about 10 days without sleep while starvation takes a few weeks)
- Did you know the average human drinks over 60,566 litres (16,000 gallons) of water in a lifetime
- 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 fingernails grow faster than toenails
- 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