Moderate

The aorta forms an arch, and before descending down gives off:

Correct answer: B. Three branches

  • A. Two branches
  • B. Three branches
  • C. Four branches
  • D. Five branches

Explanation

Before descending down through the thoracic and abdominal regions, the aortic arch gives off three main branches. These branches are: Brachiocephalic artery (also known as the Innominate Artery), left common carotid artery, and left subclavian artery.

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About Circulation

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