Renal system

Question 1

What are the parts of the kidney from the outside in?

Answer 1

1. Renal cortex
2. Renal medulla (pyramid)
3. Renal pelvis
4. Ureter

Question 2

What are the 7functions of the kidney?

Answer 2

1. Maintenance of water balance
2. Regulation of osmolarity and ion balance (Na+, Cl-, K+, Ca2+, Mg2+, PO43-)
3. Excretes end products of metabolism and foreign compounds
4. Maintains acid-base balance
5. Secretes hormones such as erythropoietin and renin
6. Converts vitamin D into its active form
7. Gluconeogenesis