HS 20 Excretory System Review

How many ureters does a person typically have?

• one

• two

• three

• four

How many urethras does a person typically have?

• one

• two

• three

Filtering blood to remove excess water and waste products is the job of the:

• kidneys

• ureters

• urinary bladder

Transporting urine from the kidneys to the bladder is the job of the:

• kidneys

• ureters

• urethra

Foul smelling, cloudy urine can indicate:

• pregnancy

• infection

• diabetes

What role does the skin have in the excretory system?

• Removing dead skin cells

• Removing old hair follicles

• Removing liquid waste in sweat

• Protecting against infection

What organ is responsible for filtering the blood?

• Lungs

• Bladder

• Kidneys

• Heart

What is the name of stretchy, muscular organ responsible for holding urine until you decide to use the bathroom?

• Kidneys

• Urethra

• Ureter

• Bladder

In each kidney there are millions of tiny filtering units responsible for cleaning the blood, what are they?

• Alveoli

• Villi

• Nephrons

• Cilia

Which sequence represents the correct pathway for the removal of urine from the human body?

• kidney → ureter → urinary bladder → urethra
• kidney → urethra → urinary bladder → ureter
• ureter → kidney → urinary bladder → urethra
• urethra → kidney → urinary bladder → ureter