Biology Nervous System 1 - Flashcards in A Level and IB Biology

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Created by: Paige
Created on: 28-11-12 20:03


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Across

1. Chemical substance that transmits or inhibits nerve impulses at a synapse. (16)
4. center for thought and emotion, interpretation of sensory stimuli, and coordination of body functions (5)
5. Transmit impulses; identified by the direction the impulse travels. (7)
8. carry impulses from the cell body. (5)
9. thin cellular membrane (10)

Down

2. small space between the axon terminal of one neuron and the dendrite of another. (7)
3. Afferent nerves - transmit stimuli to the brain and spinal cord. (7, 7)
6. enlarged structure of the neuron containing the nucleus and various organelles. (4, 4)
7. Efferent nerves - transmit impulses from the brain or spinal cord to muscles and glands. (5, 7)
10. Helps maintain electrical potentials needed for impulse control (13)

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