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प्रश्न
Define the following term:
Nerve
उत्तर
A nerve is a bundle of axons from numerous neurons encased in a protective sheath.
संबंधित प्रश्न
Draw a labelled diagram of the following:
Neuron
Renal cortex and Renal medulla [Parts of the nephrons present]
Briefly explain the following terms: Synapse
Mention the exact location of the Lacrimal gland
Fill in the blank:
The neurons carrying impulses from the brain to the muscles are called _______________________.
Rearrange the following in correct sequence pertaining to what is given within brackets at the end.
Repolarisation - Depolarisation - Resting (polarised) (during conduction of nerve impulse through a nerve fibre)
Identify the ODD term in each set and name the CATEGORY to which the remaining three belong :
Axon, Dendron, Photon, Cyton
Write whether the following is true or false:
Neurotransmitters are either broken down or reabsorbed after they have conducted an impulse.
Assertion: Impulse travels from dendrite to cell body and then along the axon to its end.
Reason: Information acquired at the end of the dendrite tip of a nerve cell sets of an electric impulse.
Write one word for the following:
A bundle of axons enclosed in a tubular sheath.
