It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Domestic pigs average a top speed of about 11 miles per hour.
182