Juxtaglomerular apparatus is formed by ____ and ___
D. DCT, Glomerulus
Reason: JGA or juxtaglomerular apparatus, the smooth muscle cells of the afferent arteriole are swollen and contain dark granules. JGA is formed by distal convoluted tubule (DCT) and the glomerular afferent arteriole. Its main function is to regulate blood pressure and the filtration rate of the glomerulus.