Edexcel Biology - Topic 8 - Nervous System - Flashcards in A Level and IB Biology

1. A bundle of nuerones held together (5)
4. An organ or cell which acts in repsonse to a stimulus (8)
7. Type of summation where multiple impulses from on neurone are needed to initiate an action potential (8)
8. Part of the PNS that involuntarily controls smooth muscle, cardiac muscle and glands (9)

2. A gap in the myelin sheath of a nerve, between adjacent Schwann cells (4, 2, 7)
3. The type of neurone with its cell body within the axon (5)
5. The part of the nervous system consisting of the brain and spinal cord (7)
6. Part of the PNS that voluntarily controls skeletal muscle (7)
9. Cell which repsonds to a stimuli by generating an impulse to a sensory neurone (8)
10. the long thread-like part of a nerve cell along which impulses are conducted from the cell body to other cells (4)

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