Lesson on exchange surfaces in the CB8 topic used with a low ability year 11 class.
Lesson includes a blast from the past section to keep pupils on track with previous knowledge.
Pupils re-cap the role of the circulatory system via a gap-fill and then go over the analogy of the circulatory system being like a parcel delivery system. Parcel can be dropped off and picked up by van and travel along the motorway (blood vessel). Empty and full vans can be compared to oxygenated and oxygenated blood (etc)
Pupils go into more detail about the role of the alveoli as an exchange surface and do a research task discovering the adaptations of villi.
All printing included, can be a download and go lesson.
Lesson includes a blast from the past section to keep pupils on track with previous knowledge.
Pupils re-cap the role of the circulatory system via a gap-fill and then go over the analogy of the circulatory system being like a parcel delivery system. Parcel can be dropped off and picked up by van and travel along the motorway (blood vessel). Empty and full vans can be compared to oxygenated and oxygenated blood (etc)
Pupils go into more detail about the role of the alveoli as an exchange surface and do a research task discovering the adaptations of villi.
All printing included, can be a download and go lesson.
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