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Why am I warm blooded?

Is it better to be warm or cold blooded?

How come some animals are warm blooded?

CrowdScience listener Matt would like to find out whether it's actually an advantage or if mammals are actually missing out on some of the benefits in being cold blooded.

Caroline Steel investigates and discovers how our blood reaches the right temperature and what stops it from overheating.

27 minutes

On radio

Friday19:32GMT
BBC World Service

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    BBC World Service
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