Uric acid is the main nitrogenous waste in

Protonephridia is the excretory organ of

The glomerulus receives blood through the

More ADH results in

Which of the following factors is responsible for the formation of concentrated urine?

Portions of renal cortex, which are projected into renal medulla, among the renal pyramids are called as ____.

Renal failure is typically detected by biochemical analysis of blood which shows ____.

Which of the following statements is CORRECT with reference to nephron?

Majority of kidney stones consist crystals of

Which of the following group of animals is guanotelic?