Explanation:
Third Option is absolutely correct.
Ok your thyroid gland also contains selenium
Stretching of the atrial muscle cells releases a hormone called atrial natriuretic factor (ANF). ANF relaxes the juxtaglomerular (JG) cells of the afferent arteriole and thereby increases GFR and urine output.
The first one would be temperature and salinity
the second one is convection.
