Four beakers have water at 20 °c. a piece of metal is dropped into the water in each beaker. metal initial temperature a 30 °c b 42 °c c 25 °c d 16 °c which metal will receive heat transfer from the water?

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d