Grade 9 Excretory Quiz

What structure in the kidneys filters the blood?

• Ureters

• Nephrons

• Bladder

• Urethra

Which are the tubes that carry urine from the kidney to the bladder?

• Adrenal tubes
• Kidneys
• Ureters
• Urethras

There are two kidneys, two ureters, one urinary bladder, and one urethra.

• True
• False

The major organ of the urinary system is the

• Gallbladder
• Ureter
• Kidney
• Nephrons

Urine flows out of the kidneys through narrow tubes called

• Gallbladder
• Ureter
• Nephrons
• Urethra

What is the main function of the urinary system?

• Keep your body hydrated
• Expelling water from your body
• Removing poisons from your body
• Removing solid wastes from your body

Place the following events in sequence:
A)  Urine passes through the ureters
B)  Urea enters the kidneys
C)  Urine enters the urethra

• B, A, C
• C, B, A
• B, C, A
• A, C, B

What is the function of the urethra?

• It filters urea out of the bloodstream
• It delivers urine from the bladder to the outside world
• It transfers urine from the kidneys to the bladder
• It prevents urine from leaking out of the bladder

Before the kidney filter it out, where does urea exist?

• In your intestines
• In your liver
• In your stomach
• In your bloodstream

What word describes the function of the nephrons?

• Tube
• Passageway
• Filter
• Reservoir