Pam and Emma undergo more tests to see how they compare in tests of strength, agility and 'wobbliness'.

Transcript -- Ageing at the  physiological level

We might think we know what ageing is, but it’s surprisingly difficult to pin down. In this album a 70-year-old fashion model and her 17-year-old grand-daughter take part in a series of scientific tests to see whether it is possible to distinguish between them. The results give an insight into what contemporary science can tell us about what happens at the molecular, genetic, cellular, physiological and psychological level during the ageing process. This material forms part of The Open University course SD805 Issues in brain and behaviour.

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Transcript -- Ageing at the physiological level

Transcript -- Ageing at the physiological level

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