What are the source and primary functions of ADH (arginine vasopressin, vasopressin)?
a) Source: Thyroid gland, Primary function: Regulate blood calcium levels
b) Source: Posterior pituitary gland, Primary function: Promote water reabsorption in the kidneys
c) Source: Adrenal cortex, Primary function: Stimulate growth and development
d) Source: Pancreas, Primary function: Regulate blood sugar levels