General Physiology of muscles i.e. smooth, cardiac, voluntary striated muscle. General physiology of body fluids: Formation of blood cells, haemopoiesis, plasma, serum, blood PH, blood clot formation, various types of blood cells, lymph, cerebrospinal fluid, synovial fluid, serum, macrophages and immunity. General physiology of digestive system, prehension, mastication, swallowing, gastric movement ,physiology of small and large intestine, digestion in ruminants and non-ruminants and their comparative study, various enzymes used during digestion, absorption of feed ingredients, metabolism of protein, carbohydrate and fat. Digestive glands e.g. salivary glands, gall bladder, pancreas and their functions, General physiology of respiratory system- mechanism of respiration, respiratory action, dead space, artificial respiration, exchange of gases etc