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IGCS
E BI
OLO
GY
TOPICAL PRACTICE QUESTIONS
STUDENT
COPY
PAPER 4
2020 EDITION VOL. 3
CHAPTERS 13-15 More Notes and Topical Past Papers at https://IGCSEexamguru.com
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Chapter Topic Pages 13 Excretion in Humans 3 – 18 14 Coordination &
Response 19 – 43
15 Drugs 44 – 46
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Chapter 13: Excretion in Humans
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Chapter 14: Coordination & Response
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Chapter 15: Drugs
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