Contents : 1.Introduction, 2.Food, 3.Vitamins, 4.Balanced Diet, 5.Nutrition, 6.Enzymes, 7.Digestion, 8.Absorption, 9.Metabolism, 10.Carbohydrate Metabolism, 11.Lipid Metabolism, 12.Protein metabolism, 13.Respiration, 14.Biological Oxidation, 15.Circulation, 16.Lymphatic System, 17.Immunology, 18.Excretion, 19.Hormones, 20.Nervous Coordination, 21.Receptors, 22.Effectors, 23.Bioluminescence, 24.Osmoregulation, 25.Termoregulation, 26.Chronobiology, 27.Behaviour, 28. Reproduction, 29.Aging, 30.Practicals, 31.Spotters,32.Glossary, 33.University Questions,34. Index.