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From the standpoint of the researcher, unreliable tests lead to inaccurate conclusions.
Body Fluids
Liquids within the human or animal body that transport nutrients and waste, including blood, lymph, and interstitial fluid.
Chemicals
Substances with a distinct molecular composition that are used or produced in processes involving chemical reactions.
pH
A measure of the acidity or alkalinity of a solution, defined by the negative logarithm of the hydrogen ion concentration.
Buffer System
A chemical system that maintains the pH of a solution by adjusting the proportion of acid and base.
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