Edexcel IGCSE Biology · Spec 2.46
Bronchioles and Pleural Membranes
Covers trace the route of air to the alveoli, State the roles of bronchioles and pleural membranes and Relate thorax structures to ventilation.
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Bronchioles and Pleural Membranes
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Spec 2.46
What you need to know
- Trace the route of air to the alveoli
- State the roles of bronchioles and pleural membranes
- Relate thorax structures to ventilation
Active recall
Quick check
Answer each question before opening the answer.
Put bronchi, alveoli and bronchioles in the order reached by inhaled air
Bronchi, bronchioles, alveoli
What is the role of pleural fluid?
It reduces friction as the lungs move against the chest wall
What happens to the diaphragm during inhalation?
It contracts and flattens
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