Noemi2000 Noemi2000

Today at 10:43 AM
Health

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Discuss two instances where valves are important in the circulatory system

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Samarion889 Samarion889

Today at 10:48 AM

It deals with the heart blood and how the lungs fill the cells with oxygen for blood

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allyfontela allyfontela

Today at 10:47 AM

They delegate the four chambers of the heard , and open correctly so that blood can successfully flow out

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