AO has various meanings in the Physiology category. Discover the full forms, definitions, and usage contexts of AO in Physiology.
The aorta is the main artery in the human body, originating from the left ventricle of the heart and extending down to the abdomen, where it splits into two smaller arteries.The aorta distributes oxygenated blood to all parts of the body through the systemic circulation.
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