What is your nose an example of?

The nose is the body's primary organ of smell and also functions as part of the body's respiratory system. Air comes into the body through the nose. As it passes over the specialized cells of the olfactory system, the brain recognizes and identifies smells. Hairs in the nose clean the air of foreign particles.

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this protocol provides a detailed procedure for total protein extraction for western blot analysis from achieved samples following trizol isolation of rna.