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प्रश्न
Write one word for the following:
Point of contact between two nerve cells.
एक शब्द/वाक्यांश उत्तर
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उत्तर
Synapse
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संबंधित प्रश्न
Explain the role of Na+ in the generation of action potential.
Sketch and label formation of typical spinal nerve.
Complete the flowchart of the process of conduction of nerve impulses.
| Application of stimulus on a resting nerve |
| ⇓ |
| Permeability of membrane changes |
| ⇓ |
| ______________________________ |
| ⇓ |
| Positive ions inside axon increases |
| ⇓ |
| ________________________________ |
| ⇓ |
| Polarity reverses and depolarisation takes place |
| ⇓ |
| Repolarisation - potassium gates open |
| ⇓ |
| ______________________________ |
| ⇓ |
| ______________________________ |
| ⇓ |
| Axoplasm becomes negatively charged and ECF becomes positive |
Which ions is the resting membrane more permeable to?
Match the Column - I with Column - II:
| Column I | Column II | ||
| i. | P - wave | p. | Depolarisation of ventricles |
| ii. | QRS complex | q. | Repolarisation of ventricles |
| iii. | T - wave | r. | Coronary ischemia |
| s. | Development of atria | ||
| t. | Repolarisation of atria |
Under which of the following conditions will the ionic gradients across the resting membrane be maintained?
Which of the following situations is responsible for resting membrane potential?
When stimulus is applied to a membrane of neuron, it causes rapid influx of ____________.
Write a short note on the following:
Synapse
During the phase of depolarisation of nerve impulse, ______.
