Biology

8th

grade

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Year 8 Excretory System

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  • 1. Multiple Choice
    1 minute
    1 pt
    What is the function of the kidneys in the excretory/urinary system?
    store urine before it is eliminated from the body.
    break down food into smaller pieces through chemical digestion
    filter blood of cellular waste material as a result of cellular respiration
    control thoughts, voluntary actions, and other sensations of the five senses.
  • 2. Multiple Choice
    1 minute
    1 pt
    Which organ system removes cellular wastes as the result of cellular respiration?
    nervous
    digestive
    excretory
    circulatory
  • 3. Multiple Choice
    30 seconds
    1 pt
    One major function of the excretory system is to clean the what?
    urine
    blood
    kidneys
    bladder
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