Kidney nephrons - role/structure

Question 1

Components of kidney

Answer 1

•Cortex: outer layer of the kidney
•Medulla: The inner region, contains thousands of nephrons
•Renal artery: Supplies kidney with blood
•Renal vein: Carries blood filtered with blood
•Calyx: Chambers through which urine passes
•Ureters: Tubes that carry urine from the kidney to the bladder
•Bladder: Stores urine
•Urethra: Urine passes out of the body through this

Question 2

Kidney role

Answer 2

•Maintains body’s water balance by controlling water concentration of blood plasma
•Kidneys control salt levels and the excretion of urea