Question

what are the pumping chamber of heart called​

Answer 1

Hey Buddy..

turn are subdivided into two chambers. The upper chamber is called an atrium (or auricle), and the lower chamber is called a ventricle. The two atria act as receiving chambers for blood entering the heart; the more muscular ventricles pump the blood out of the heart

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Answer 2

the top chamber is atria and the bottom chamber is ventricles

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