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प्रश्न
Briefly explain the following terms : Reflex action
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 the functions of medulla.
Explain the difference between of the following pair of terms :
receptor and effector
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The part of brain which controls the involuntary action such as heart beat, breathing, blood pressure, etc. is :
(a) pons
(b) medulla
(c) cerebrum
(d) cerebellum
Differentiate between natural reflex and conditioned reflex. Give examples to illustrate your answer.
State whether the following is simple reflex, conditioned reflex or neither of the two.
Knitting without looking
Differentiate between Voluntary and involuntary actions.
The reflex arc which is made up of one sensory and one motor neuron is ______
Which one of the following is not a simple 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.
