What is the role of the brain in reflex action?
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.Ans: Reflex actions are sudden responses. It is involuntary action which does not involve thinking. For example, when we touch a hot object, we withdraw our hand immediately without thinking. The sensory nerves that detect the heat are connected to the nerves that move the muscles of the hand. Such a connection of detecting the signal from the nerves (input) and responding to it quickly (output) is known as reflex arc. Reflex arcs are formed in the spinal cord and the information reaches the brain and the brain responses to it.
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Most of the reflex actions are controlled by spinal cord but there are some reflex actions that also involve brain. such type of reflex actions are called cerebral reflexes., the brain relay the message from sensory nerve to the motor nerve.
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there is no role of brain in reflex action as we need very quick response to the stimulus in reflex action so all the decisions are taken by the spinal cord by relay neuron or spinal nerve ....
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Most of the reflex actions are controlled by spinal cord but there are some reflex actions that also involve brain. such type of reflex actions are called cerebral reflexes., the brain relay the message from sensory nerve to the motor nerve.
Hope this will be helpful sanjana☺️
Hope this will be helpful sanjana☺️
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