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Myelin sheath acts as an...

Myelin sheath acts as an______

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FULL MARKS-NEURAL CONTROL AND COORDINATION-ADDITIONAL QUESTIONS SOLVED (Fill in the blanks)
  1. The efferent neurons carry impulses from the central nervous system to...

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  2. The plasma membrane covering the neuron is called …………….

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  3. Myelin sheath acts as an

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  4. The synaptic vesicles of the synaptic knob are filled with .

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  5. .......... neurons are found in the retina of the eye, inner ear and t...

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  6. The neurons which have only one process are called …………………

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  7. During the resting potential, the interior of the cell is negative due...

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  8. The normal value of resting membrane potential is ....................

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  9. Due to the rate of flow of N^(+) ions into the axoplasm, more than the...

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  10. The threshold potential is ...................

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  11. The spike potential is .................

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  12. In the neurilemma, the synaptic vesicles release neurotransmitters int...

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  13. ................ is the layer which is closely adhered to the brain.

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  14. The folds on the surface of the cerebrum are called ………………….

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  15. The grooves between the gyri are called …………………

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  16. The cerebral hemispheres are connected by a tract of nerve fibres call...

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  17. The medulla acts as a nerve tract between cortex and the …………………. .

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  18. ………………….. forms the roof of the diencephalon.

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  19. The pineal body secretes the hormone ……………….... which regulates sleep ...

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  20. ……………………………. is composed of grey matter which serves as a relay centre...

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