Q:

Which does not contribute to the arch of the aorta:

0

Which does not contribute to the arch of the aorta:


  1. left dorsal aorta
  2. left 4th embryonic aorta
  3. truncus arteriosus
  4. aortic sac
  5. all of the above (A-C) contribute to the aortic arch

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C. truncus arteriosus

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