Homeostasis is directed towards.....

Given below are two statements.
$Statement-I$: Only $ADH$ is sufficient for homeostasis.
$Statement-II$: $RAAS$ stimulates $Na^+$ reabsorption, thereby maintaining the osmolarity of body fluid.
In the light of the above two statements, choose the most appropriate answer from the options given below.

When are the osmoreceptors in the body activated?

Which one of the following four secretions is correctly matched with its source,target,and nature of action?

Select the incorrect option for $ADH$.

$RAAS$ stimulates the release of which of the following hormones?