What function do heart valves have
The healthy heart has two atria and two ventricles. The atria collect the blood. The larger heart chambers, the ventricles, suck up the blood and then return it to the cardiopulmonary circulation. Author: ZDF/3sat/nano/Südkino Filmproduktion GmbH/Berndt Welz/Hannah Dewies/Tim Sprado/Jochen Schmidt Translation and dubbing: alugha Click here to see more videos: https://alugha.com/TerraX
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