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प्रश्न
Given alongside is a partial diagrammatic representation of a certain phenomenon pertaining to the nervous system.
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- Name the parts numbered 1-7.
- Name the phenomenon that the diagram depicts and define it.
- Give the technical term for the point of contact between two nerve cells.
- Name the parts not shown in the diagram that should be included to complete the pathway of the phenomenon.
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उत्तर
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- White matter
- Spinal cord
- Dorsal root (sensory)
- Association Neuron
- Ventral root
- Gray matter
- Central Canal
- The diagram depicts spinal reflex action.
It is an automatic/quick/immediate, involuntary action in the body brought about by a stimulus. - Synapse
- Receptor, sensory neuron, motor neuron, ·spinal nerve, effector muscles
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संबंधित प्रश्न
Write the names of the regions in hindbrain. Give one function of each region.
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the cells in your nasal passages which perceive the smell?
Your are driving your bicycle at a fast speed. Suddenly, a small boy comes in front of your cycle and, without wasting any time in thinking, you immediately apply the brakes and accident is avoided. What name is given to such an action?
State whether the following is simple reflex, conditioned reflex or neither of the two:
Knitting without looking: …………………..
List in tabular form three distinguishing features between cerebrum and cerebellum.
Explain the following term :
Conditioned reflex
State whether the following is simple reflex, conditioned reflex or neither of the two.
Blushing
Mention, if the following statement is True or False
Reflex action is a unit of nervous action
Categorise the following under stimulus and response.
Seeing a green light turning into red at a road crossing before applying the brakes.
