pigments are responsible for that if that doesn't help you. you can go to yahoo answers and search your question
I think it’s D............
The adrenal glands produce aldosterone<span>, a </span>hormone<span> that controls fluid balance, blood pressure, and salt metabolism. If the adrenals stop producing aldosterone, the body will show many problems: </span>low blood pressure<span> and body fluids (dizzy), as well as low serum sodium and high serum </span>potassium<span> from changes at kidney (salt-craving).</span>
