Foreword The main Objective of ?The historical development of the Heart i.e. from its formation from????????.. And Short notes on heart attack i.e?????????????.. Is to expand the mental horizon of an average reader by channelizing his knowledge and his thinking towards medicine. The book primarily describes the history of the heart related to scientists who brought breakthroughs regarding heart (cardiology) and the development of heart from invertebrates to vertebrates. The description of the he