Excretory System Worksheet: Body Systems

How do you help students move beyond memorizing the parts of the excretory system and actually understand how waste removal supports whole-body function?

This scaffolded worksheet helps students develop a clear understanding that:
-The excretory system is a subsystem made of interacting organs
-Blood flow is directly connected to kidney function
-Organs have specific structures that support specific function
-Body systems maintain internal balance

What’s Included?
✔ Student Cloze Passage (with word bank)
-The excretory system as a group of organs forming a body system
-The system’s main function (removing waste and maintaining balance)
-Blood flow through the aorta, renal artery, renal vein, and vena cava
-How urine is produced and removed

✔ Organ Function Matching Activity
Students identify and match to the function within the excretory system:
Aorta
Kidneys
Ureter
Bladder
Urethra
Vena Cava

✔ How Do Kidneys Work? Section
-How kidneys filter blood
-Brief overview of nephrons
-How waste becomes urine

✔ Application Question
Students explain:
Why removing waste is important
What would happen if the excretory system failed
Promotes evidence-based reasoning and deeper conceptual thinking.

✔ Answer Key Versions Included
-Ready for grading, projection, or student notes
-Both Black & White and Colour versions are included.

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