Question

What is the role of the brain in reflex action?

Answer 1

Reflex actions are sudden responses, which do not involve any thinking. For example,
when we touch a hot object, we withdraw our hand immediately without thinking as
thinking may take time which would be enough to get us burnt.
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 called a reflex arc. The reflex arcs −connections
present between the input and output nerves − meet in a bundle in the spinal cord. Reflex arcs are formed in the spinal cord and the information (input) reaches the brain.
The brain is only aware of the signal and the response that has taken place. However,
the brain has no role to play in the creation of the response.

Answer 2

HEY FRIEND HERE IS UR ANSWER,

Reflex actions are formed instantaneously in response to the stimulus that has no time to think. For instance 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 action are generated in spinal cord and the information also reaches brain. This helps the brain to record this event and remember it for future use.  Brain helps the person the person to get awareness of the stimulus and prevent himself from that situation again.

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