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Are the cells in are body constantly being renewed

Debate and discussion of any biological questions not pertaining to a particular topic.

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Postby tim5656 » Mon Dec 19, 2011 1:24 am

Also does it in anyway refute the definition of " death is all organs ceasing to function."
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Postby einfopedia » Wed Mar 28, 2012 7:39 am

i think that the Old, worn out cells are constantly being replaced. How well this process works (or doesn't) is partly responsible for the outward signs we know as aging. Think of the resources needed to continually monitor the workings of trillions of cells. Your immune system is always on the lookout – not only for invading microorganisms, but also for cells that have not replicated correctly and could cause dysfunction of some kind. At least this is true if you provide the nutrients necessary for your immune system to function correctly. Even your bones are constantly being broken down and rebuilt, a process called remodeling. Your body requires resources to carry out all of this activity. How well you fuel this renewal process determines how you feel.

If you are eating food full of calories but devoid of nutrients, your body must expend energy to process it but gets nothing in return – a net loss of energy, vitality and overall health. Think of a house that is continually being remodeled. What happens if the only building materials available are poor quality – or worse, not even correct for the job but the carpenter must make do. After some period of time, structural integrity is compromised. For example, magnesium is just one of several minerals necessary for our bodies to function. Estimates say that 50 to 80 percent of us do not get enough of this critical nutrient, which is used in 300 different functions.
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