Ways you can preserve food using bacteria

There isn't a way to preserve food with bacteria but there are ways to preserve food without bacteria such as prevention of contamination (aseptic technique), removal or reduction of microorganisms, the use of high temperature, the use of low temperature drying, fermentation and pickling, and chemical preservation.

It depends on the bone if it is spinal cord than probably not because it controls the movements and also helps brain in detecting messages

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