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Breathing and Circulation
Work done in this Nuffield 13 - 16 module followed from the unit called ‘Energy’. This B unit provided enough material for six double periods in the third year of secondary school (year nine). The teachers’ guide included eight worksheets to supplement the students’ booklet.
Contents
1. Breathing and exercise
2. How is air changed during breathing?
3. How does air get into the lungs?
4. Keeping the lungs clean
5. Where does the oxygen go?
6. How does the blood carry oxygen?
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