Blood is the carrier of oxygen, which is essential for all life forms and for practically carrying out all the biological processes. Blood transfusion is the transfer of blood from one person to another in case of a medical emergency like accident, injury or a disease causing reduction in optimum levels of blood. It is a lifesaving technique. Blood transfusion techniques have seen some advancement over the years. Now only those components are required for transfusions that are present in lower concentration than required. While understanding the long term perspectives of the topics, this book makes an effort in highlighting their impact as a modern tool for the growth of the discipline. It aims to assist those with a goal of delving deeper into the field of blood transfusion. This book, with its detailed analyses and data, will prove immensely beneficial to professionals and students involved in this area at various levels.