Lungs and Ventilation - GCSE Biology (9-1)
This video covers the following objectives from Edexcel IGCSE Biology 9-1 2.46 Describe the structure of the thorax, including the ribs, intercostal muscles, diaphragm, trachea, bronchi, bronchioles, alveoli and pleural membranes. 2.47 Understand the role of the intercostal muscles and the diaphragm in ventilation. For a PowerPoint covering this topic visit www.mrexham.com
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