
Excretion and Excretory Organs map
Excretion is the removal of metabolic wastes from the body. Kidneys, lungs, skin, and other organs remove...Cells
Produce metabolic wastes.Kidneys
Remove urea and water.Checking progress account…
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Grade 7 revision
Rebuild the chapter shape, scan the key points, then open one focused practice step.
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Revision plan
Refresh the chapter structure first.
Check the core terms before writing.
Take one quick pass through formulas and reminders.
Finish with one focused chapter check.
Chapter revision sheet
Exam strategy
3 marks
Name the structure/process, give its function, and add one labelled or sequence point.5 marks
Start with the main process, write the sequence, include key terms, and end with significance.Diagram checks

Cells
Produce metabolic wastes.Kidneys
Remove urea and water.
Kidneys
Filter blood.Ureters
Carry urine to bladder.
Hydration
Helps urine flow.Hygiene
Reduces infection risk.
Stimulus
Detected by receptor.Nerves
Carry impulse.Practice next
Focused practice
12936 MCQs and 4188 written prompts are ready for one focused chapter pass.
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Review session
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cards
29
notes
5
topics
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Practice
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Study method
Use compact notes to search for one concept, filter by topic, then connect the point back to practice questions.
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Notes
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Cards
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Topics
Look for a definition, formula, contrast, or common mistake.
Narrow to the exact topic before moving into broader chapter review.
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Topics
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Recall
15
Cards
30
Topic 1
Excretion removes harmful metabolic wastes.
Topic 2
The urinary system removes nitrogenous waste as urine.
Topic 3
Urinary health depends on clean habits, hydration, and proper function of the urinary system.
Topic 4
The nervous system coordinates body activities using nerve impulses.
Topic 5
The brain and spinal cord are the main coordination centres.