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![[Post New]](/templates/default/images/icon_minipost_new.gif) 13 May 2008 17:02:09 IST
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plz explain the following assertion reason
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13 May 2008 17:06:06 IST
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assertion: when the pertubing factors of temprature are snow or ice the hypothalamus induces the blood vessels of our skin to constrict and skeletal muscles to constrict and we shiver
reason: this type of control system is called negative feedback loop
ans: a
plz explain how this is negative feed back
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13 May 2008 22:17:01 IST
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u just have to remember this(it is -ve feed back)
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15 May 2008 07:32:51 IST
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Negative feedback feeds part of a system's output, inverted, into the system's input; generally with the result that fluctuations are attenuated
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15 May 2008 07:34:58 IST
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+ve feed fack means" in response" ...while when a bdy is put in a harsh condition or make bdy 2 give a response, it is -ve feed back...
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15 May 2008 07:35:53 IST
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plz rte me if i m correct...thanks......r u bio stu??????
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