1. Introduction
  1.1 Background and significance
  1.2 Objectives of the study
2. Hormones involved in metabolic regulation
  2.1 Insulin and glucagon
  2.2 Leptin
  2.3 Thyroid hormones
3. Hormonal regulation of carbohydrate metabolism
  3.1 Glycolysis and gluconeogenesis
  3.2 Glycogen metabolism
  3.3 Regulation of blood glucose levels
4. Hormonal regulation of lipid metabolism
  4.1 Lipolysis and lipogenesis
  4.2 Cholesterol metabolism
  4.3 Regulation of lipid storage and utilization
5. Hormonal regulation of protein metabolism
  5.1 Protein synthesis and degradation
  5.2 Amino acid metabolism
  5.3 Regulation of protein balance