Labels:earth | newspaper | plant | sky | tree OCR: BUNDLE OF NER VE FIBR ES NDIVIDUAL NERVE FIBRES, outer layer called myelin, which or axons, are held together in allows impulses to travel quickly. parallel bundles. Each fibre carries Each fibre bundle held together nerve impulses from the nucleus of by protective sheath and joins nerve cell. Most have a white with other bundles to form nerve Nerve fibre axon Outer sheath bundle