In an experiment, the control group... * is statistically the most important of the experiment
is treated the same as the experimental group, except for the manipulated variable
is maintained only under strict laboratory conditions
is exposed to experimental treatments

yes it is   dangerous

explanation:

because that foot is discusting and could get you sick

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