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

The renal excretion of $Na^+$ is regulated by:

An increase in blood flow to the atria of the heart can cause the release of $A$, which causes $B$ and thereby decreases the blood pressure. The $ANF$ mechanism therefore acts as a check on $C$. Here, $A-C$ refers to:

The following abbreviations are used in the context of excretory functions,what do they stand for?
$(a)$ $ANF$
$(b)$ $ADH$
$(c)$ $GFR$
$(d)$ $DCT$

The osmoreceptors of the body are activated by....

The reabsorption of salts from the glomerular filtrate is regulated by . . . . . . .