The Malpighian body (renal corpuscle) is equal to $.......$

All Bowman's capsules of the kidney are found in

In $....... P .......$ type of nephrons, the loop of Henle is too short. In $....... Q .......$ type of nephrons, the loop of Henle is very long. Choose the correct option for $P$ and $Q$.
$P \quad Q$

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

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

Select the correct statements from the following.
$(i)$ Renal papilla is a narrow tip of the medullary pyramid.
(ii) Renal cortex is red-coloured and striated.
(iii) Longitudinal-circular-longitudinal arrangement of smooth muscles is observed in the renal pelvis at its origin.
(iv) Ureter is a long,non-muscular hollow tube that communicates with the renal pelvis at its origin.