Which best describes the movement through the nephron?

Question

Blood is passed into the nephron and removed through the urethra.
All materials that exit the blood into the nephron are removed in the urine.
Some of the materials that exit the blood can be returned to the blood.
High quantities of sugars and water are excreted in the urine.

Answer 1

Some of the materials that exit the blood can be returned to the blood.