The matured ovary of a plant is a
pistil
flower
fruit
seed

fruit

An ovary can be defined as an enlarged basal portion of the pistil of the flower. It is the female organ of the flower. It consists of ovules which after fertilization develops into seeds. The ovary get matured into a fruit which can enclose all the seeds produced after fertilization. The fruit can be fleshy or dry depending upon the type of tissues present.

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