Nervous Coordination (AQA A-Level Biology): Flashcards
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Neurones transmit
Neurones transmit
Electrochemical changes (nerve impulses)
Cell body has abundant rough ER for
Cell body has abundant rough ER for
Protein synthesis (making neurotransmitters)
Dendrites carry impulses
Dendrites carry impulses
Towards the cell body
Axon carries impulses
Axon carries impulses
Away from the cell body
Schwann cells provide
Schwann cells provide
Protection, insulation, phagocytosis, regeneration
Myelin sheath is
Myelin sheath is
Lipid layers providing electrical insulation
Nodes of Ranvier
Nodes of Ranvier
Gaps () between Schwann cells, no myelin
Sensory neurones transmit from
Sensory neurones transmit from
Receptor to intermediate/motor neurone
Motor neurones transmit to
Motor neurones transmit to
Effector (muscle or gland)
Intermediate neurones connect
Intermediate neurones connect
Other neurones (e.g., sensory to motor)