The system based on powers of ___ is the metric system.
1,000
100,000
100
1
10

10 because if we talk about the metric system time and meter etc then they are expressed in the powers of 10

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