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QUESTION

Describe the common physiologic changes associated with aging that affects the nervous system. Briefly focus on the memory, brain or some organs being affected by the increasing age. Do the older peop

Describe the common physiologic changes associated with aging that affects the nervous system. 

Briefly focus on the memory, brain or some organs being affected by the increasing age. Do the older people face a risk of depression as well? Comment briefly. 

As the age increases, do the nerve cells in brain increase or decrease?

Can brain compensate for the losses that nerev cells suffer due to aging?

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ANSWER

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*** ******* ****** controls *** activities ** *** **** organs *** ******* receiving ***** **** ******* ****** *** ********** *** ******** ********** *** **** ******* *** ******* ****** **** ******* ********** age-related changes ********* * **** ** brain ***** but ageing **** not *********** **** ** confusion or ************* function ****** ******** ** people **** **** ********* ******* ********* ** *** *** During childhood the ******* ** ***** *** ****** ******** ********* ******** * child to ***** ************ ******* ************ **** of ********* ***** ******** ** ********** *********** * ******* age which ****** **** person ** person ***** ******** ******** ********* aspects ** brain ******** *** affected ** ********* times:Short-term ****** *** *** ******* ** ***** *** material **** ** ** affected relatively *********** abilities ********* vocabulary and word usage may ***** ** ******* ** about *** ************** performance—the ******* to ******* *********** *********** of speed)—is ******* maintained until at least age ** if no ********** ********** ** vascular ********* *** ************ *** *** basic ******** ****** ** ******* *** cells ********** ******* **** ***** They ****** ****** *** *** **** **** ** divide *** ******** Among ***** ******* there ** ** ******** ** pigments *** fatty ********** ****** *** cell ******** Many cells lose their ability ** ******** ** **** ***** to ******** ************ aging ********* waste ******** build up ** tissue * fatty ***** ******* ************************ ** **** ******* as do ***** ***** ********** Connective tissue ******* ******** **** ***** **** ***** the ****** ***** ******* and ******* more rigid Cell ********* ****** so many ******* **** **** ******* ******* ****** and ********* and ******** ****** ******* *** ***** ****** **** ******* **** **** This ******* ** ****** ******* Some tissues ****** ***** (nodular) or **** ***** ******* ** **** *** ****** changes **** ****** also ****** as *** *** ***** ****** ****** lose ******** **** people do *** ****** this **** *********** ******* you rarely **** to *** your ****** ** their ******* ability ****** have * ******* ability ** ******** ****** *** ***** ***** *** ******* *** heart ** * *********** ** ******* ** ******* about 10 times *** ****** ** ***** **** is actually needed ** **** the **** alive ***** age 30 ** ******* of ** of this ******* is **** each **** *** biggest ******* in ***** ******* ***** in *** heart ***** *** kidneys *** ****** ** ******* **** ****** ******* ****** and between different organs in * ****** personAs ****** *** the ****** ofnerve ******* the ***** ******* ********* ******** the ****** lost varies ******* **** person ** ****** ********* ** *** person’s health **** *** ********* ***** ***** ******** **** **** However the ***** *** ******* *************** **** **** ********** *** these ******************** ***** *** more cells **** it ***** to ******** ******** ********** *** help ********** for the **** ** ***** ***** **** occurs with aging *** **************** of *** connections:The ***** ******** *********** for *** age-related ******** ** nerve ***** ** ****** new connections ******* the ********* ***** *************** ** *** ***** ********** ***** ** *** ***** *** ******* *** nerve ***** ********** ***** * ***** ****** or * ****** ***** ***** ******* *** *********** ****** ** ******** ** *** ********* *** ********* ** memories) *** the ***** ******* ****** coordinate and ****** *** movements)Thus people *** **** had a ***** ****** ** ****** *** ********* learn *** ****** ** occurs ****************** ************* *** ********* *** quickly ***** ******** ******** *** ******* physical ******** ***** to **** *** **** ** ***** ***** ** areas ** *** brain ******** ** ****** **** ******** **** helps **** the ********* ***** ***** *********** On *** ***** **** consuming *** or **** ****** ** ******* a *** *** ***** *** ******* ** ***** ********** ****** *** ***** flow ** *** ***** may ******** ** ** ******* of 20% *** ******** ** ***** **** ** ******* ** ****** who **** *************** of *** ******** to the brain **************** ******** **** ******* ** **** ****** to ***** in people *** **** smoked for * **** **** or who ******** blood pressurehigh cholesterol or high ***** ***** (diabetes ********* **** ** *** ********** ** ********* ******* ** ***** These ****** may **** ***** ***** prematurely ******** ********* mental ******** ** a result *** **** ofdementiaat * ********** ***** age is *********** ****** *** ********** ****** *** ******* ******** **** ****** resulting ** decreased ********* slower ******** *** ***** some clumsiness ***** conduction *** slow ******* *** myelin ******* ****** nerves ********** ****** ******* *** layers ** ****** **** ******** nerves *** speed ********** ** ******** ************ **** occurs ******* ** people *** ***** **** decreases ****** ***** overgrow *** *** pressure on *** ****** ** **** *********** ******* in ******** *** ****** **** ********** **** *** ****** are injured ** ********* **** **** ******* ** ********* *** peripheral ******* ********** response ** injury ** ******* **** *** **** ** * ********** ***** ** damaged ** younger people *** ***** ** **** ** ****** ****** as **** as its **** body ******* ** ** **** *** spinal cord is undamaged **** *********** ******* occurs **** ****** and incompletely ** older ****** ****** ***** ****** more ********** ** injury *** ************ ****** should ** ********** ** ****** ** stimulating activities **** ** socialising ******* *** ***** ***** *** ******* ** improve ********* ******** and ****** ** well ** ****** *** ****** depression It ** * common ************* **** aging ********* ***** to conditions such as confusion dementia and ******** *** ***** ********* ******** redundancy ****** ** ** ********** **** with *** ******** ******* associated **** ****** Indeed ** *** ******* ** disease adequate mental function *** ** ******** throughout ****

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