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Why do impulses in a neuron travel in on...

Why do impulses in a neuron travel in one direction only?

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SANTRA PUBLICATION-NEURAL CONTROL AND CO-ORDINATION-VERY SHORT ANSWER TYPE QUESTIONS
  1. Name the two parts with which the ear bone stapes is attached at its o...

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  2. What are the effects of increased stimulation of the vagus (X) nerves ...

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  3. Name a cranial nerve that controls eye ball movements. Is this nerve a...

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  4. Why do impulses in a neuron travel in one direction only?

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  5. What are the three layers of the cranial meninges, from superficial to...

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  6. What is a typical value for the resting membrane potential of a neuron...

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  7. Which part of the brain is concerned with maintenance of posture?

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  8. What happens if the sympathetic nerve supply to heart is cut off?

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  9. What transmits messages in form of impulses?

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  10. Name the part of internal ear i.e., concerned with maintenance of bala...

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  11. Name the fluid present within cochlear canal.

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  12. Spinal nerves are part of which division of nervous system?

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  13. Why is the blind spot devoid of ability for vision?

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  14. Name the area of the retina which has the brightest vislon.

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  15. Name the part of the brain which performs the function of intelligence...

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  16. Name the ear ossicles in the order of arrangement in humans.

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  17. Name the terms given to neurones that carry input to CNS and that carr...

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  18. What is the functional advantage of myelination?

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  19. What is the function of pupil and rod cells in human eye?

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  20. Which sensations can arise when free nerve endings in skin are stimula...

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