How many brain cells does the avrage human have

According to the loco mass the mass of reactants and products

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?

This is the interaction of two organisms where one is and the other is neither nor harmed.