Juxta-medullary nephrons constitute what percentage of the total nephrons?

Which of the following sphincters cause the release of the urine?

Malpighian tubules are the excretory structures of which of the following?

What is the GFR of a healthy individual?

By which protein is the blood colloidal osmotic pressure maintained?

Which of the following segments are responsible for maintaining the sodium-potassium balance?

Nearly 75% of the filtrate is reabsorbed by the renal tubules.

Which of the following vessels carry blood with minimum urea?