$A$ fall in glomerular filtration rate activates

Homeostasis is directed towards.....

Which of the following hormones helps in the facultative reabsorption of water by the nephron?

Juxtaglomerular cells of renal cortex synthesize an enzyme called

Select the correct statements.
$(a)$ Angiotensin $II$ activates the cortex of adrenal gland to release aldosterone.
$(b)$ Aldosterone leads to increase in blood pressure.
$(c)$ $ANF$ acts as a check on renin-angiotensin mechanism.
$(d)$ $ADH$ causes vasodilation.
$(e)$ Vasopressin is released from adenohypophysis.
Choose the most appropriate answer from the options given below:

Erythropoietin hormone which stimulates $R.B.C.$ formation is produced by :