Skip to content

Course home

x
Sign up
x

The CNS and brain regions

The CNS and brain regions

The central nervous system, or CNS, consists of the brain and spinal cord. It receives electrical impulses from receptors, coordinates responses and sends impulses to effectors.

2.3 The nervous system and brain Lesson

  1. GCSE
  2. /Biology
  3. /2.3 The nervous system and brain

Step-by-step lessons on Edexcel GCSE Biology 2.3 The nervous system and brain, covering 2.3.1 Structures and functions of the brain, 2.3.2 Imaging brain function with scanning, 2.3.3 Limitations in treating nervous system damage, 2.3.4 Neurones and impulse transmission, and 2.3.5 Structure and function of a reflex arc. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

Lessons