Excretory system - Nephrons

Question 1

Where are nephrons found?

Answer 1

Nephrons are found in the kidney

Question 2

What do nephrons do?

Answer 2

1. Nephrons are supplied with blood by the renal artery, which they filter to produce urine.
2. Nephrons ensure that waste products are excreted, while substances the body needs are reabsorbed into the bloodstream (selective reabsorption)

Question 3

What processes are nephrons involved in?

Answer 3

1. ultrafiltration
2. Selective reabsorption
3. Urine formation