Learn all about the function of the brain and the nervous system. Life processes - Body systems - The brain and body Learning Points The nervous system is the brain, spinal cord and a network of nerves. The senses transmit information to the brain through the nerves. The brain sends signals to the body. A Twig Curriculum Film. Delivering key learning points. Get straight to the facts in just three minutes – directly linked to core learning, Twig's curriculum films will fit neatly into your lesson plans.