Consider the diagram of an internal feedback mechanism that the body uses to maintain homeostasis.

In homeostasis the body has a target set point which it tries to maintain, with the use of the negative feedback loop the body strives to stabilize the internal environment by regulating the temperature of the body.

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