Which of the following components of blood does not enter into the nephron?

The glomerular filtrate consists of

Which process is associated with urine formation in the excretory unit?

Layers between the glomerular and Bowman's capsule through which the filtration takes place are:
$I.$ Endothelium of the glomerular blood vessel
$II.$ Middle lamella
$III.$ Basement membrane between the endothelium of glomerular blood vessels and epithelium of the Bowman's capsule
$IV.$ Epithelium of the Bowman's capsule

In the kidney,the formation of urine involves the following processes arranged in order:

Show in tabular form the phases of urine formation and the substances involved.