Edexcel OLevel Biology revision notes

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Lesson

Lesson-2.6.7- describe the structure of the thorax, including the ribs, intercostal muscles, diaphragm, trachea, bronchi, bronchioles, alveoli and pleural membranes.

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Lesson-2.6.6- practical: investigate the effect of light on net gas exchange from a leaf, using hydrogen-carbonate indicator.Previous Lesson-2.6.8- understand the role of the intercostal muscles and the diaphragm in ventilation.Next