In one day the heart beats around 100.800 times. It pumps through the blood vessels as much blood as it would take to fill about 170 average bathtubs.
Frogs never drink water! They absorb it through their skin.
Fishing in your pajamas is prohibited by law in Chicago, state Illinois.
It is impossible to sneeze with your eyes open.
If a book of average size would contain all of the insect’s names, it would have about 6.000 pages, as our planet has more than 900.000 known species.
Every year swallows fly 38.000 kilometers from the northern to the southern hemisphere and back.
