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प्रश्न
Draw a labelled diagram of the following:
Brain
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उत्तर
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संबंधित प्रश्न
Differentiate between Dendrites and axons.
Distinguish between Cranial nerves and spinal nerves.
Briefly explain the following terms: Synapse
Mention the exact location of the Lacrimal gland
Define the term Neuron.
Mention the types of nerves found in humans.
Write the function of medullary sheath.
Name the following:
The third neuron that is involved in reflexes, other than simple reflex.
Name the following:
Structural and metabolic unit of nervous tissue.
Brain is a part of _________ nervous system.
____________ are the building blocks of the nervous system.
Bipolar neurons are found in ______
‘A’ is a cylindrical structure that begins from the lower end of the medulla and extends downwards. It is enclosed in bony cage ‘B’ and covered by membranes ‘C’. As many as ‘D’ pairs of nerves arise from the structure ‘A’.
(i) What is A?
(ii) Name (a) bony cage ‘B’ and (b) membranes ‘C’
(iii) How much is D?
Our body contains a large number of cells ‘L’ which are the longest cells in the body. L has long and short branches called ‘M’ and ‘N’ respectively. There is a gap ‘O’ between two ‘L’ cells, through which nerve impulse transfer by the release of chemical substance ‘P’.
(i) Name the cells L?
(ii) What are M and N?
(iii) What is the gap O?
(iv) Name the chemical substance P?
The structural and functional units of the nervous system is ______.
Which nerves transmit impulses from the central nervous system towards muscle cells?
Which part of a nerve cell contains a nucleus?
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.
The basic structural and functional unit of brain is ______.
Distinguish between the following pair:
Nerve impulse and flow of electricity (transmission and speed)
