Which two cellular structures provide protection to the cell?
a. cellular membrane and cell wall
b. ribosomes and nuclear membrane
c. nuclear membrane and vacuole
d. cellular membrane and vacuole

i really wish i could answer this question for you

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