Imagine a world with billions of people living in it. Diseases are everywhere. Everyone is dying. No medicine to cure the physically ill. What a worse world would that be? That's how medical science is created. It deals with life, prolonging life and giving people the hope to live and enjoy more years. Also, the people in this field are of high regard for giving their best to save the life of a dying individual. Thanks to the broad scope of this field that help people in terms of prevention and cure of their illnesses. Since it deals with life, it extends its scope to all the living organisms. Hats off to geniuses in the society who have contributed a lot in this filed.