1) Which are the tubes that carry urine from the kidney to the bladder? a) adrenal tubes b) kidney c) ureters d) urethra 2) There are two kidneys, two ureters, one urinary bladder, and one urethra. a) True b) False 3) The _________ is/are responsible for urine storage. a) Bladder b) Ureter c) Urethra d) Kidneys 4) What is the main function of the urinary system? a) Keep your body hydrated b) Removing poisons from your body c) Expelling water from your body d) Removing solid wastes from your body 5) Place the following events in sequence: A) Urine passes through the ureters B) Urea enters the kidneys C) Urine enters the urethra a) B, A, C b) B, C, A c) C, B, A d) A, C, B 6) What is the function of the urethra? a) It filters urea out of the bloodstream b) It transfers urine from the kidneys to the bladder c) It delivers urine from the bladder to the outside world d) It prevents urine from leaking out of the bladder 7) What word describes the function of the nephrons? a) Tube b) Filter c) Passageway d) Reservoir 8) Blood enters the kidney through ……………. and leaves through ……………….. a) Renal artery - renal vein b) renal vein - renal artery 9) Label no. 3 refers to.... a) Renal pelvis b) Medulla c) Cortex d) Bladder 10) Each kidney consists of more than one million of ........... a) Alveoli b) Urethra c) Renal tubule d) Nephrons

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