The vessel leading blood (containing nitrogenous waste) into the Bowman's capsule is known as:

Which of the following blood vessels contains the minimum concentration of urea in the blood?

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.

Nephrons are found in the ........

The total number of minor calyces in a human kidney is equal to the number of:

The diagram of a nephron is given below. Which of the following structures together form the renal corpuscle (Malpighian body)?