What is the $pH$ of human urine?

The wide funnel-shaped space inside the hilum of the kidney is called the .....

Which one of the following correctly explains the function of a specific part of the human nephron?

The following figure shows a longitudinal section of the kidney. Which part represents the renal column?

Which of the following structures are situated in the cortical region of the kidney?
$I.$ Malpighian corpuscle
$II.$ $PCT$ (Proximal Convoluted Tubules)
$III.$ $DCT$ (Distal Convoluted Tubules)
$IV.$ Loop of Henle
$V.$ Collecting duct

Identify the correct statements:
$I.$ The outer layer of the kidney is called a capsule.
$II.$ The kidney is divided into an outer cortex and an inner medulla.
$III.$ The medulla is divided into medullary pyramids.
$IV.$ The cortex extends in between the medullary pyramids,which is called the columns of Bertini.
Choose the correct option accordingly.