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प्रश्न
____________ are the building blocks of the nervous system.
पर्याय
Cells
Neurons
Tissues
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उत्तर
Neurons are the building blocks of the nervous system.
APPEARS IN
संबंधित प्रश्न
Draw a labelled diagram of the following:
Neuron
Draw a labelled diagram of the following:
Brain
Renal cortex and Renal medulla [Parts of the nephrons present]
Identify the odd one in each set : Cyton, Photon, Axon, Dendron
Mention the exact location of the Lacrimal gland
Differentiate between the following pair of terms:
Receptor and effector.
With the help of a suitable diagram describe the structures of a neuron.
Fill in the blanks:
A neuron consists of ________ , _________ and ________.
Define the term Neuron.
Mention the types of nerves found in humans.
Complete the following statement by choosing the correct alternative from the choice given in below :
The dorsal root ganglion of the spinal cord contains cell bodies of ________ neurons.
Write the function of Association neuron.
Write the function of medullary sheath.
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
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.
Explain the following term :
Motor nerve
How does an impulse travel across a synapse?
Brain is a part of _________ nervous system.
___________ nervous system prepares us for the fight or flight responses.
Nerve cells do not possess ______
Axons ____________.
Which type of neuroglial cells are depicted in the given diagram?
Why is the flow of signals in a synapse from axonal end of one neuron to dendritic end of another neuron but not the reverse?
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 away from 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.
Which of the following structures is absent in nerve cells?
Name the following:
Three types of neurons
Name the following:
Three types of nerves.
Define the following term:
Nerve
Distinguish between the following pair:
Nerve impulse and flow of electricity (transmission and speed)
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.
