· Our left lung is smaller than right lung for room for heart
· River Horse sweat color turns red when he gets angry
· To reach on top of the Eiffel Tower one should travel 1792 ladders
· Growth of Hairs and nails of humans don't stop even after death
· RBC (Red Blood Cell) in human body travel through whole body in just 20 Sec
· Footballer runs about 7 KM average in a match
· Generally a person laughs average 13 times in a day
· Females move their eyelids twice than males
· Big Kangaroo travel 30 feet in one jump
· While heart beating it can throw blood 30 feet away
· Mosquito attract to blue color more than any color