Each nephron has

Which part of nephron has evolved to form hypertonic urine?

Nephrons

Imagine a water molecule has just entered the proximal convoluted tubule of the nephron that will eventually be part of the urine. What parts of the nephron will it travel through (in order) before it reaches the renal pelvis?

Each kidney has how many nephrons?

What is the length of each nephron?

What are the components of each nephron?