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Human Facts by knewthis.com

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Human Facts The human eye blinks an average of 4,200,000 times a year.   The smallest bone in the human body is the stapes or stirrup bone located in the middle ear. It is approximately .11 inches (.28 cm) long.   There are 206 bones in the adult human body and there are 300 in children (as they grow some of the bones fuse together).   It takes approximately 12 hours for food to entirely digest.   Human jaw muscles can generate a force of 200 pounds (90.8 kilograms) on the molars.   The Skylab astronauts grew 1.5 – 2.25 inches (3.8 – 5.7 centimeters) due to spinal lengthening and straightening as a result of zero gravity.   The heaviest human brain ever recorded weighed 5 lb. 1.1 oz. (2.3 kg.)   By raising your legs slowly and laying on your back, you can’t sink in quicksand.   Children grow faster in the springtime.   The thyroid cartilage is more commonly known as the adams apple.   The average human brain has about 100 billion nerve cells.