Circulation Before and After Birth Flashcards

1
Q

Heart begins to beat at _________

A

Heart begins to beat at 22 to 23 days

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2
Q

____ pairs of mesenchymal condensations on either side of pharynx are supplied by the ___________

A

5 pairs of mesenchymal condensations on either side of pharynx are supplied by the Aortic arch arteries

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