The diagram shows the heart of a bird. What is the function of the structure labeled Y? to keep oxygen-rich blood and oxygen-poor blood flowing to filter waste materials from oxygen-poor blood to filter

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asked May 4, 2022 175k views

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The diagram shows the heart of a bird.

What is the function of the structure labeled Y? to keep oxygen-rich blood and oxygen-poor blood flowing to filter waste materials from oxygen-poor blood to filter waste materials from oxygen-rich blood to keep oxygen-rich blood and oxygen-poor blood separate