A perfect guide for those studying Veterinary Science professional veterinary scientists and practicing personel. It comprehensively covers all fields of Veterinary Science. This volume covers different branches of Veterinary Science such as cells, tissues, systems, nutrition, species comparison, principles of disease, disease prevention and diagnosis, zoonotic diseases, calculation conversions, activities in cells, organs, processes such as contractility of muscle tissue, coordination through the nervous system, feeding, digestion, excretion, respiration, circulation, reproduction, and secretion. This volume will provide teachers, students and laymen interested in Veterinary Science with clear, concise, and correct definitions and descriptions of the Veterinary Science terms.