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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
Which of the following is not an involuntary action?
(a) vomiting
(b) chewing
(c) heart beat
(d) salivation
All the voluntary actions of our body are controlled by :
(a) cerebrum
(b) cerebellum
(c) pons
(d) medulla
Which of the following statements is correct about receptors?
Write down the following activities in the correct order for a simple reflex arc:
(a) impulse travels in the motor fibre
(b) impulse travels in the sensory fibre
(c) effector organ stimulated
(d) impulse crosses the synapse
Differentiate between natural reflex and conditioned reflex. Give examples to illustrate your answer.
Give one example of a conditioned reflex in your own life.
What type of reflex is the following?
Formation of goose-pimples in cold weather.
Give Reason:
The hand automatically shows the direction to turn a cycle without thinking.
Give Technical Term:
Response to a stimulus without the intervention of the will of an animal.
Categorise the following under stimulus and response.
Pain in the eye if something falls into it.
