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exception
[[Blood vessel|Blood vessels]] that carry blood away from the [[heart]].<ref>Wile, Dr. Jay L. ''Exploring Creation With General Science''. Anderson: Apologia Educational Ministries, Inc. 2000</ref>
[[Blood vessel|Blood vessels]] that carry blood away from the [[heart]].<ref>Wile, Dr. Jay L. ''Exploring Creation With General Science''. Anderson: Apologia Educational Ministries, Inc. 2000</ref>
The main artery leading away from the heart is call the aorta which receives blood from the main pumping section of the heart, the left ventricle. This blood is richly oxygenated. At a region of the aorta called the "ascending aorta" branch off the carotid arteries that nourish the brain and the structures of the head.<ref>http://www.americanheart.org/presenter.jhtml?identifier=1557</ref>
The main artery leading away from the heart is call the aorta which receives blood from the main pumping section of the heart, the left ventricle. This blood is richly oxygenated. At a region of the aorta called the "ascending aorta" branch off the carotid arteries that nourish the brain and the structures of the head.<ref>http://www.americanheart.org/presenter.jhtml?identifier=1557</ref>
The exception to the "rule" that all arteries carry [[oxygen|oxygenated]] blood '''away''' from the heart is the pulmonary artery which carries [[vein|veinous]] (oxygen poor) blood from the heart '''to''' the [[lung|lungs]].<ref>http://www.medterms.com/script/main/art.asp?articlekey=24368</ref>
==References==
==References==
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