File:Counter current exchange in birds.svg

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English: The exchange of heat in this diagram (1) is an example of countercurrent exchange. In this example the cold water requires the birds circulatory system to recycle heat and minimize heat loss through the skin. The warm arterial blood (2) flowing away from the heart warms up the cooler venous blood (3) heading towards the heart.
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Author Ekann

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current17:50, 29 May 2015Thumbnail for version as of 17:50, 29 May 2015512 × 400 (240 KB)Ekann (talk | contribs)User created page with UploadWizard

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