50 points welp Which best describes the movement through the nephron?

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.

If multi-question/

Blood is passed into the nephron and removed through the urethra.

Once waste materials exit the blood, they are removed in the urine.

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

If one question/

Blood is passed into the nephron and removed through the urethra.

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

Explanation:

the answer would be d

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.