The name of all continents end with same letter with which they start. The language 'malayalam' can be read same from both sides. The word 'four' has four letters. In English language there is no number whose number of letters is equal to its value. Eyeball is the only part of the human body that remains in same size from birth to death. Only human beings can sleep by their backbone. We can not walk straight with closed eyes. We can not sneeze keeping our eyes open. It's speed is about 160km/hour. We can not smell two different aromas(scent) at a time. Hair is the second fastest growing tissue in the body than bone marrow. The eye is the first most important organ of the human body formed in the womb. in a day about 13 drops of tears is secreted from our eyes. Among them 6 drops of tears change into vapour and the rest goes to the nose. Dolphin sleeps one eye opened. A crocodile can not stick it's tongue out. By the age of 70 we will have lost 105 pounds of s...