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InterviewSolution
| 1. |
What is the mechanism of reflec action? |
| Answer» Reflex action is the extremely quick, automatic, sudden action in response to something in the environment.Example- i) Immediately pulling back of fingers after touching a hot plate.ii) Closing of eyes when flashed with high intensity light.iii) Salivation when hungry.\tReflex arc is the pathway of nerve involved in reflex action.\tReflex arc involves-\tReceptors- receive the message from external environment.\tSensory neuron- carries the message from the receptor to the central nervous system.\tCentral nervous system- processes the message and sends impulses to the concerned part of the body in the form of response.\tMotor neuron- carries the message from the central nervous system to the effector.\tEffector- responses against the stimulus. | |