substitutions
for
animals. Animals are used mainly because they bear a close
resemblance
to humans, either in behaviour
or in cell structure. They respond to external disturbances (such as electrical shock) nearly in the same
manner as humans do. There is much evidence that most of what people know about themselves,
including pain, stress, reproduction and nutrition, is based on findings of animal-based experiments.
Animal testing proves one of the main approaches to predict the risk when drugs or other products are
used on humans.
Another fact to support animal-based experiment is that animals are not the
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