Fetal circulation

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Notion

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Science and technology

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What Wikipedia says

In humans, the circulatory system is different before and after birth. The fetal circulation is composed of the placenta, umbilical blood vessels encapsulated by the umbilical cord, heart and systemic blood vessels.

Excerpt from the Wikipedia article “Fetal circulation”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Henry Vandyke Carter, Public domain, via Wikimedia Commons.