Which is the control center for the endocrine system? O the thymus
the hypothalamus
the pancreas
o the thyroid

the hypothalamus

Thank you for the answer, it is much appreciated, and if you haven't seen it already, it is B.

in chemistry, a solution’s concentration is how much of a dissolvable substance, known as a solute, is mixed with another substance, called the solvent. the standard formula is c = m/v, where c is the concentration, m is the mass of the solute dissolved, and v is the total volume