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Unit 1Unit 1: Breathing and respiration

Unit 1: Breathing and respiration

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Lesson 1GRADE 7 – Unit 1: Breathing and respiration7 pointsLesson 2The human respiratory system7 pointsLesson 3Gas exchange8 pointsLesson 4Breathing8 pointsLesson 5Respiration8 pointsLesson 6Blood – Notes7 points