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What is synapse ? How does the nerve im...

What is synapse ? How does the nerve impulse cross the synapse ?

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Synapse is the close proximity of the axon of one neuron and the dendrite or cyton of other neuron with a gap of just about `200 Å` in between .
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What is a synapse ?

What is a synapse?

What is a synapse? How is the nerve impulse transmitted across a chemical synapse?

Synapse is

Draw a labelled diagram of a synapse. Name the two types of synapse. How is nerve impulse transmitted over these synapses?

Assertion. Transmission of a nerve impulse across a synape is brought about by a neurotransmitter. Reason. A neurotransmitter is necessary to transmit a nerve impulse across a synapse because there is a small gap, the synaptic cleft, between the two neurons at the synapse.

Read the assertion and reson carefully to mark the correct option out of the options given below: Assertion : Transmission of the nerve impulse across a synapse is accomplished by neurotransmitters. Reason : Transmission across a synapse usually requires neurotransmitters because there is small space i.e. synaptic cleft, that seperates one neuron from another.

What is a synapse ? Explain.

PRADEEP-NEURAL CONTROL AND CORRDINATION-Additional Question (Short Answer Question)
  1. Complete the statement by choosing appropriate match among the followi...

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  2. How does a wave of depolarisation spread along a nerve fibre ?

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  3. What is synapse ? How does the nerve impulse cross the synapse ?

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  4. What is the action potential of a neuron ? Do all neurons possess the ...

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  5. Why is the mode of conduction of electrical impulse along the myelina...

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  6. Write down the general function of the nervous system.

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  7. What are nerves ? Name their three kinds . Give the role of each.

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  8. Make a list of the main parts of the nervous system or brain.

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  9. Describe the meaninges of the brain.

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  10. Give the role of the various parts of the forbrain.

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  11. Write down the functions of the various parts of the midbrain and hin...

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  12. Explain the transmission of nerve impulse along a nerve fibre.

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  13. Draw a diagram of transverse section of the spinal cord showing ref...

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  14. Draw a diagram to show the structure of a neuron with myelinated axon...

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  15. Draw a diagram to show the path followed by the nerve impluse from the...

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  16. Are rods and cones evenly distributed over the entire surface of the r...

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  17. Blind spot in the eye is devoid of the ability of vision ? Why is it s...

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  18. Distinguish between : (a) Rods and cones (b) Blind spot and yellow sp...

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  19. Write down the basic structure and mode of working of a receptor.

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  20. What parts of the eye form the focussing apparatus ? How do they achie...

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