Biology

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Revision:GCSE Biology - The Kidneys. TSR Wiki > Study Help > Subjects and Revision > Revision Notes > Biology > GCSE Biology - The Kidneys The kidneys The kidneys do three main things They remove urea from the blood They control the amount of ions (salts) in the blood They control the water content of the blood.

GCSE - Science - Biology - Revision Sites. GCSE Biology. Gcse-revision, biology. AQA Sciences from 2011 - GCSE Biology Unit 1. Biology GCSE and IGCSE Question Bank, questions for self-assessment or teaching, by D G Mackean. GCSE - Science - Biology - Revision - Links - Chemistry - Physics. GCSE Biology Revision.