Comprehension and additional task exercises pages 22 and 23 from Next Page Science KS3 Complete. Accompanying PowerPoint and word searches available for free from the website.
This exercise covers:
• Respiring (breathing) as a way of providing oxygen for respiration
• The windpipe, bronchus, intercostal muscles and the diaphragm’s role in breathing
• Differences between inhaled air and exhaled air
• Pressure difference as the driver in breathing
• Gas exchange: alveoli and capillaries’ role
- Amazing WHAT? facts
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