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A2 Nervous system
| Question | Answer |
|---|---|
| The correct name for a nerve cell | Neuron |
| The brain and spinal cord | Central Nervous system |
| Neurons that bring impulse to the CNS from receptors | Sensory |
| Neurons that take impulses from the CNS to the muscles or glands | Motor |
| The region of a neuron where the nucleus is found | Cell body |
| The rough ER found in the cell body | Nissl granules |
| Thin extensions that convey impulses towards the cell body | Dendrites |
| The part of a neuron that conveys impulses away from the cell body | Axon |
| Cells that wrap tightly round the axon or dendron | Schwann cells |
| The fatty insulating layer provided by the Schwann cells | Myelin sheath |
| The gaps between Schwann cells | Nodes of Ranvier |