Gamete, A Gamete is a cell that fuses with the other sex's Gamete to make a zygote, they are made via Meiosis, not Mitosis and it's practically impossible for them to divide after Meiosis
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.
