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A pack of lesson plans that can be downloaded, together with video clips from the BBC children's science show that are linked to each lesson. The pack has worksheets and suggested activities for KS3 and 4.

A short video clip which describes respiration and the effects of exercise.

A short video clip describing the circulatory system.

A short video clip and key points which explain the process and importance of respiration.

A detailed description of the circulatory system including blood components, blood vessels and the heart.

One webpage focussed upon the heart. The parts and their roles are given. An animation is used to show the different stages of the cardiac cycle.

Detailed pages from the PE section of BBC Bitesize covering the effects of training and exercise.

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