Sequence of blood flow in human kidney
1
Renal artery → Afferent arteriole → Efferent arteriole → Glomerulus → Renal vein
2
Renal artery → Afferent arteriole → Glomerulus → Efferent arteriole → Renal vein
3
Renal artery → Afferent arteriole → Glomerulus → Renal vein → Efferent arteriole
4
Renal vein → Efferent arteriole → Afferent arteriole → Glomerulus → Renal artery