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प्रश्न
Given below is the diagram of a neuron. Name the parts numbered 1-5.
उत्तर
- Dendrite
- Nucleus
- Cell Body (cyton))
- Axon (Nerve fibre)
- Axon Terminal
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संबंधित प्रश्न
Draw a labelled diagram of the following:
Brain
Receptor, Spinal cord, Effector, Motor neuron, Sensory neuron.
Briefly explain the following terms: Synapse
Given below is a structure, write its special functional activity.
Myelin sheath and ……………
what do we refer to in the nervous system when we say:
sensory, motors and association ……………….
Name the following:
The nerve which carry impulse from CNS to muscles.
Name the following:
Structural and metabolic unit of nervous tissue.
Write whether the following is true or false:
Neurotransmitters are released on activation.
Explain the following term :
Motor nerve
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.
A neuron contains all cell organelles except ______.
Classify neurons based on their structure.
____________ is the interconnection between two neurons or neuron with motor organ.
Which cells form a single layer of squamous or columnar often ciliated epithelial cells lining the ventricle?
Which nerves transmit impulses from the central nervous system towards muscle cells?
In a synapse, chemical signal is transmitted from
Label the parts of a neuron in the given figure.
Rearrange the following in the correct order of involvement in electrical impulse movement-
Synaptic knob, dendrites, cell body, Axon terminal, Axon
Rearrange the following in correct sequence pertaining to what is given within brackets at the end.
Axon endings - Dendrites - Axon - Perikaryon - Dendron (Neuron structur)
The figure given below is the basic structural and functional unit of the human nervous system. Study the diagram and answer the following questions:
 |
- Write the technical term for the diagram.
- Name two organs of our nervous system where these cells are richly found.
- How are these cells significant for us?
- Name the cell organelle that is absent in these cells and how does it affect our body metabolism?
- Redraw the same figure and label the following Perikaryon, Axon, Dendrites, Myelin sheath and Node of Ranvier.
