<span>The answer to this question would be: A) hypothalamus; posterior pituitary
The hypothalamus produces many kinds of a hormone that will activate a cascade of metabolism. One of them is vasopressin and oxytocin. Vasopressin will end up in kidney and heart, causing the body to keep water and lowering the urine output. Oxytocin is used for releasing breastmilk.</span>
The temperature of tropical areas relative to places more distant to the equator. Another reason why is higher nutrient cycling, which is also an effect of higher temperature.
