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प्रश्न
Differentiate between the following pair of terms:
Motor nerve and sensory nerve.
उत्तर
Motor nerve: It contains only motor neurons,
Example: Nerves going to the muscles of the eyeball.
Sensory nerve: It contains only sensoiy neurons.
Example: optic nerve of the eye
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संबंधित प्रश्न
Draw a labelled diagram of the following:
Brain
Distinguish between Cranial nerves and spinal nerves.
Renal cortex and Renal medulla [Parts of the nephrons present]
Mention the exact location of the Myelin sheath
Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong:
Dendrites, Medullary sheath, Axon, Spinal cord
Identify the ODD term in each set and name the CATEGORY to which the remaining three belong :
Axon, Dendron, Photon, Cyton
Name the following:
The third neuron that is involved in reflexes, other than simple reflex.
Name the following:
The nerve which carry impulse from CNS to muscles.
Assertion: The imbalance in concentration of Na+, K+ and proteins generates action potential.
Reason: To maintain the unequal distribution of Na+ and K+, the neurons use electrical energy.
Dendrons are the longest fibres that conduct impulses away from the cell body.
The structural and functional units of the nervous system is ______.
Axons ____________.
______ is the gap between the axon of one terminal neuron and the dendrites of next neuron.
A microscopic gap between a pair of adjacent neurons over which nerve impulses pass is called ____________.
What is the correct direction of flow of electrical impulses?
Explain the function of the neuron.
Write one word for the following:
Long thread-like part of the nerve cell.
Which of the following structures is absent in nerve cells?
