OCR A Level Biology A lesson on Ventilation. This is one of eight lessons to meet the specification points for 3.1.1 Exchange Surfaces.
Specification points: 3.1.1 (d)
Objectives for this lesson:
• Name the components of the mammalian ventilation system.
• Describe the mechanism for ventilation in mammals.
• Explain the function of key components of the mammalian ventilation system.
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