Lyrics of all organ system with their components

You did not show us the image of the burger, but i shall try to answer as best i can.  when purchasing food, always consider the ingredients as well as the person who prepared it. consider if they were hygienic people or not, in case the burger was infected with bacteria. no mortal should place an infected burger into their mouth.   

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Rub your hands together twice as long as washing your hands? or make sure to in between your fingers. or wipe ur hands off with a paper towel when done.