http://www.flashcardexchange.com/tag/detected www.flashcardexchange.com: detected Flashcards en-us Mon, 28 May 2012 02:59:00 PDT Mon, 28 May 2012 02:59:00 PDT support@flashcardexchange.com 720 http://www.flashcardexchange.com/flashcards/view/2139977 The nervous system consists of the brain, spinal cord and nerves. Changes are detected by the sense organs. Nerves: Nerve cells (neurons) make up the nervous system. They all have a cell body and extensions (Nerve fibres) from the nerve body. Nerve impulses (messages) are carried towards or away from the cell from the cell body. -Axons carry nerve impulses away from the cell body -Dendrites carry impulses towards the cell body A bundle of nerve fibres held together by connective tissue is a nerve. 2012-03-25 http://www.flashcardexchange.com/flashcards/view/2139977 http://www.flashcardexchange.com/flashcards/view/878793 Amy 2B 2009-09-27 http://www.flashcardexchange.com/flashcards/view/878793