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The organ system responsible for this excretion is known as…….
a) excretory system

b) excretion
c) kidneys                                             

d) urethra


Which of the following transports urine from kidneys to urinary bladder?
a) urethra                                             

b) adrenal gland
c) ureter                                               

d) vena cava


Which of the following collects urine from both kidneys?
a) urethra                                             

b) ureter
c) urinary bladder            

d) vena cava


Urine is released outside the body through a fine tube called…………
a) urinary bladder               

b) urethra
c) ureter                                

d) vena cava


Internally kidney is divided into how many regions?
a) 2                        

b) 4
c) 3(Renal cortex, Renal medulla, renal pelvis)


………….are the structural and functional units of the kidney.
a) Renal corpuscle              

b) renal tubules
c) lithotripsy                         

d) Nephrons