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What is reflex action? Briefly describe?

reflex action-

“Many actions external Anupriya due to stimuli occurs as a response. them reflex action ,reflex action) They say.”

Appearance of saliva in the mouth on seeing delicious food, raising of the foot with a jerk as soon as the thorn is pricked, shrinking of the pupil of the eye in bright light and its failure in the dark, coughing etc. are in many reflex actions. These actions are controlled by the reed cord. The brain has to be removed but it still runs, so reflex action is a rapid automatic response by the system of the organs to a stimulus. The brain does not participate in their operation.

Reflex arc for reflex action.

The reed nerve emerges from the reed cord. Each reed nerve is made up of a dorsal root and a ventral root. Sensory filament in dorsal root and in ventral root driver fiber ,motor filament) are.

The sensory organs receive the stimulus and reach the reed-cord through sensory fibers. As a result, the command driver for response from the reed-rod. The associated muscles are received by the fibers and the organ responds.

Thus, from the sensory organs, the path of the sensations coming to the reed-cord, or through the reed-cord to the muscles of the responding organ as inspiration. reflex arc (reflex arch) and the action to be taken reflex action (reflex action).

Importance-

These actions, which occur as a result of external or internal stimuli, are controlled by the spinal cord. This reduces the workload of the brain. After the action is performed, the information is sent to the brain.

Role of brain in reflex action

Fatigue is felt due to the increase in the amount of carbon dioxide in the blood. The removal of excess amount of CO2 from the body by deep breathing is called yawning.

Example of reflex actions: Fatigue is felt due to the increase in the amount of carbon dioxide in the blood. The removal of excess amount of CO2 from the body by deep breathing is called yawning.

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