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प्रश्न
Write one word for the following:
Point of contact between two nerve cells.
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उत्तर
Synapse
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संबंधित प्रश्न
Explain the role of Na+ in the generation of action potential.
Give function of astrocytes in nervous system.
Define Saltatory conduction.
What are the number of Na+ ions pumped out, and K+ ions pumped into the cell, with respect to the Na+ - K+ pump?
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 |
The axoplasm inside the axon contains high concentration of (i) ions and low concentration of _(ii)_ ions, during the resting state of the neuron.
Identify the value of action potential.
Explain the process of the transport and release of a neurotransmitter with the help of a labelled diagram showing a complete neuron, axon terminal and synapse.
Write a short note on the following:
Synapse
During the phase of depolarisation of nerve impulse, ______.
