Controls many cell activities. Your

Centrosome

Cytoplasm

Nucleus

Nucleolus

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.   

Maybe meditation,stress relievers,try to have quite time try to get school done on time and try to go to bed earlier