Companion PDF worksheet for Edexcel IGCSE Biology Lecture 40 - Pregnancy and Puberty. Contains short answer questions, an activity requiring lateral thinking and exam-style questions.
Specification Point 3.11 - Describe the role of the placenta in the nutrition of the developing embryo.
Specification Point 3.12 - Understand how the developing embryo is protected by amniotic fluid.
Specification Point 3.13 - Understand the roles of oestrogen and testosterone in the development of secondary sexual characteristics.
Complete set of Chapter 5 Worksheets are available.
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