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प्रश्न
Draw a labelled diagram of the following:
Brain
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उत्तर
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संबंधित प्रश्न
Draw a labelled diagram of the following:
Neuron
Distinguish between Cranial nerves and spinal nerves.
Marine fish when placed in tap water bursts because of:
A. Endosmosis
B. Exosmosis
C. Diffusion
D. Plasmolysis
Mention the exact location of the Myelin sheath
Given below is the diagram of a neuron. Name the parts numbered 1-5.
Rearrange the following in correct sequence pertaining to what is given within brackets at the end.
axon endings → nucleus → Dendrites → axon → perikaryon → Dendron(Neutron structure)
Name the following:
The nerve which carry impulse from CNS to muscles.
Explain the following term :
Motor nerve
Write a short note.
Autonomic Nervous System
During synaptic transmission of nerve impulse, neurotransmitter (P) is released from synaptic vesicles by the action of ions (Q). Choose the correct P and Q.
Dendrons are the longest fibres that conduct impulses away from the cell body.
The structural and functional units of the nervous system is ______.
Select the motor nerves from the following group.
Which nerves transmit impulses from the central nervous system towards muscle cells?
In a neuron, conversion of electrical signal to a chemical signal occurs at/in
Rearrange the following in the correct order of involvement in electrical impulse movement-
Synaptic knob, dendrites, cell body, Axon terminal, Axon
Identify the parts of a neuron which help the nerve impulse to travel towards the cell body.
The mammalian nervous system uses both electrical and chemical means to send signal via neurons. Which part of the neuron receives impulses?
Write one word for the following:
The kind of nerve carrying impulses from the brain to a gland or muscle.
Give reason:
Neurotransmitters are broken down by an enzyme just after passing an impulse from one neuron to the other.
