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In: Anatomy and Physiology

Can't seem to find the answer to these questions... this is a two part question and...

Can't seem to find the answer to these questions... this is a two part question and would love an explanation for both. Thanks in advance!

The ductus arteriosus and the ductus venosus are two key vessels in the fetal circulation that are absent in the adult circulation. What are their functions in the fetus? Why are they necessary? At birth, the fetal circulation is transformed instantaneously into the adult circulation with practically no transition. How is this marvelous process possible?

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Sydney Mullin answered 1 year ago
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