Do You Know?

   An adult has about five to six litres of blood in his body.
   The heart of an adult pumps around 7,000 litres of blood through the body every day. This could fill about 35 bathtubs.
   Crabs have blue-coloured blood. Their blood pigment contains copper, and not iron, which given the red colour to the blood.
   We release about half a litre of gas from the intestines every day what we call farts.
   The only bone not connected with the rest of the skeleton is the hyoid bone. It lies at the root of the tongue.
   There are about 40 species of bacteria  in the mouth cavity which protect the oral from diseases.
   Hungary has the highest divorce rate in Europe.
  Japanese have only ten holidays in a year.