Btec Applied Science Neurones Study Guide Exam And Correct Answers 2024.

what do sensory neurones do - Answer carry nervous impulses from receptors into the central nervous system (CNS) what do motor neurones do - Answer carry impulses from the CNS to the effector organs What do relay neurones do? - Answer relay neurones are intermediate neurones they recieve impulses from a sensory neurone and relay them to motor neurones what are dendrites - Answer carries nervous impulses towards a cell body what is an axon - Answer carry nervous impulses away from the cell body what is the cell body - Answer where the nucleus is normally located what forms the mylein sheath - Answer schwann cells wrapped arounf the axon of a neurone what are gaps between adjacent schwann cells called - Answer nodes of ranvier why are most neurones in the centeral and peripheral nervous system are myelinated - Answer becausse fast transmission from the brain to muscles is often required what do mylein sheaths do - Answer insulate neurones increasing the speed of impulse transmission where are non myelinated neurones found - Answer autonomotic nervous system