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91¶¶Òõ

Last updated

11 August 2026

docx, 37.97 KB
docx, 37.97 KB

GCSE Biology worksheet on gas exchange, covering the functions of the alveoli, ribs and trachea, alongside the changes that occur during inhalation and exhalation. Students also recall the key adaptations of the alveoli for efficient gas exchange, including thin walls, a moist surface, good blood supply and large surface area. Suitable for KS4 / GCSE Biology lesson practice, homework, retrieval or revision. Includes the questions-only worksheet with space for students to write their answers.

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