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प्रश्न
Briefly explain the following terms : Reflex action
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उत्तर
Reflex action:
A reflex action is an involuntary and quick response of the body initiated because of a stimulus. The commands for a reflex action originate from the spinal cord.
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संबंधित प्रश्न
Give examples of unconditional reflexes
Name the function of cerebrum.
Explain the difference between of the following pair of terms :
receptor and effector
Define reflex arc. Give the flow chart of a spinal reflex arc.
Differentiate between the following pair of terms:
Stimulus and impulse
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Receptor : Sensory nerve :: Motor nerve : ______.
State whether the following is simple reflex, conditioned reflex or neither of the two.
Lifting up a book
Reflex actions are mediated through ____________.
Which of the following is not involved in Knee-jerk reflex?
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.
