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Unit 13: Excretion in HumansIGCSE Biology · 8 practice sets
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113.1 Extractory System — Past papersInstant marking · worked answers · retry any time Start2Excretion in Humans - Check yourselfInstant marking · worked answers · retry any time Start313.2 Kidney Structure — Past papersInstant marking · worked answers · retry any time Start413.3 Glomerulus, Nephrone — Past papersInstant marking · worked answers · retry any time Start513.3 Glomerulus, Nephrone - Assignment: extra practiceInstant marking · worked answers · retry any time Start613.4 Urea — Past papersInstant marking · worked answers · retry any time Start713.4 Urea - Assignment: extra practiceInstant marking · worked answers · retry any time Start813.4 Urea and deamination — Supplementary practice (10 questions)Instant marking · worked answers · retry any time Start