The concentration of urine is controlled by .....

How is the $JGA$ (Juxtaglomerular Apparatus) formed?

Which of the following hormones acts upon the renal tubule and blood capillaries?

Which enzyme converts angiotensinogen into angiotensin-$I$?

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

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.