Glencoe Biology

Section 3: Excretory System

Self-Check Quizzes

1
What are the functional units in the kidneys called?
A)alveoli
B)nephrons
C)diaphrams
D)capsules
2
A kidney disorder called ____ is due to inflamation of glomeruli.
A)polycystic kidney disease
B)kidney cancer
C)nephritis
D)kidney stones
3
What primary function do these structures have?
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A)filters waste and water from body
B)allows water from air to be absorbed in body
C)enables external respiration
D)produces blood cells
4
A nitrogenous waste product resulting from kidney filtration is called ____.
A)glomerulus
B)acid
C)filtrate
D)urea
5
How do the kidneys help maintain blood pH?
A)by excreting dopamine
B)by absorbing white blood cells
C)by excreting hydrogen
D)by absorbing red blood cells
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