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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