Composite Sampling and Bioaccumulation
The human body, or any living organism for that matter, when exposed to a polluted environment, accumulates contaminants in its tissue. It is, therefore, very useful to sample tissue from a sample of such organisms under investigation, in order to evaluate the amount of accumulation, called bioaccumulation, since biological processes cause the accumulation of a particular contaminant in the organism. It is a common observation that the tissue from a single member is not sufficient for making measurement. It is therefore necessary for technological reasons to composite the tissue samples extracted from several organisms so that a measurement is possible.
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