1. Introduction
  1.1 Background
  1.2 Objectives
2. Overview of the Nervous System
  2.1 Definition and Importance
  2.2 Divisions of the Nervous System
  2.3 Structure and Organization
3. Neurons: Building Blocks of the Nervous System
  3.1 Neuron Structure and Classification
  3.2 Neuronal Communication: Action Potentials and Synaptic Transmission
  3.3 Neurotransmitters and their Functions
4. Glial Cells: Supporting the Nervous System
  4.1 Types of Glial Cells
  4.2 Roles and Functions of Glial Cells
  4.3 Interactions between Neurons and Glial Cells
5. Central Nervous System (CNS)
  5.1 Structure and Function of the Brain
      5.1.1 Cerebrum
      5.1.2 Cerebellum
      5.1.3 Brainstem
  5.2 Structure and Function of the Spinal Cord