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Grade: 10

                        

do sympathetic nerve fibres secrete noradrenaline hormone into them for their activation?

4 years ago

Answers : (1)

Aabid Hussain
askIITians Faculty
571 Points
							Dear Soumya,

Sympathetic nerve fibres do secrete nonadrenaline (=nonepinephrine) hormones in some animals at the time of “Fight or Flight” response.

Fight or flight response is a physiological reaction that occurs in response to percieved harmful event or attack.

In the image attached, you will see that a cat is trying to threat (Fight) the dog. As the cat is percieving a harmful attack. Next, the event will be like the cat will run away (Flight).

Hope the answer of the question.
4 years ago
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