This KS3 Biology resource explains the process of breathing, focusing on how the lungs, ribcage, diaphragm, and intercostal muscles work together during inhalation and exhalation. It includes clear diagrams showing the movement of air in and out of the lungs, step-by-step explanations of changes in pressure and volume, and comparison tables between inhaling and exhaling. The pack also provides student-friendly notes, practice questions with answers, and revision activities to reinforce learning. Ideal for KS3 science lessons on the respiratory system, this resource can be used for teaching, homework, or independent study. Keywords: breathing, inhalation, exhalation, diaphragm, lungs, gas exchange, KS3 science, biology, respiratory system, revision.
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£3.00