← 3.2 Human Excretory System

Preventing kidney disorders

Integrated Science · Grade 7 · about 40 minutes

Prevention a learner can own: water, less extra salt, no extra pills, hygiene, treat infection early, skip alcohol and unknown herbs. Clinic diseases still need clinicians.

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  • 7 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
  • Your progress kept across every subject you take
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