Main content
Keeping Healthy
Science for nine- to 11-year-olds. The lungs, how we breathe, and the damaging effects of smoking; the heart as a pump for circulation; and keeping fit and healthy with good diet and exercise.
Last on
Thu 21 Jan 2010
11:20
Clips
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Lungs and keeping them healthy
Duration: 01:00
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The heart and how it works
Duration: 01:06
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Is there iron in breakfast cereal?
Duration: 01:03
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Food needed by the human body
Duration: 02:43
