The aorta is the largest artery in the body. It is important because it is the artery that distributes oxygenated blood to the body through circulation. It originates from the left ventricle of the heart.
The left ventricle pumps oxygenated blood into the aorta, one of the first side branches of the aorta are the cardiac arteries that bring blood back to the heart. So no heart chamber supplies blood to the heart directly.
The left ventricle is a chamber of the heart that pumps blood to the body through the aorta, so it is a member of the circulatory system.
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Aorta -The pulmonary artery is just going to the lungs, so it has to be lower pressure.The aorta is where all the blood going to the rest of the body is pumped through.
The aortic value is located at the entrance to the aorta from the left ventricular chamber of the heart. This is an important position since it is the threshold of all of the newly oxygenated blood returning to the body. When the value is dysfunctional, it limits the ability of the heart to properly pump blood. This disruption causes irregular heartbeat, shortness of breath or fainting, myocardial infarction, and in some cases lead to sudden death.
Blood goes in this order... Right Atrium -> Right Ventricle -> Lungs -> Left Atrium -> Left Ventricle -> Ascending Aorta -> Descending Aorta. So neither pump blood to the the Left Ventricle but the Left Ventricle pumps blood to the ascending aorta.
The aorta, located in the heart, is the largest artery in the human body. It does branch out so I suppose it could answer your question when you say 'arteries'.
aorta has to withstand high blood pressure because of which it needs thick walls !!
Aorta is important in systemic circulation. It is very large vessel. from thorax to lower part of abdomen. It has a cross sectional diameter of about 2.5 cm. So when left ventricle contracts, it gives systemic blood pressure of about 120 mm of mercury. Aorta along with arterial system dilates during systole. Being elastic organ this is possible. Then during diastole, the aorta and aortic system contracts. Thus maintaining the blood pressure, called as diastolic blood pressure. In this it is helped by peripheral resistance of the capillary bed.
The aorta is an artery, and arteries are types of blood vessels. So the aorta would be considered part of the cardiovascular system (heart). http://www.cancerindex.org/medterm/medtm8.htm
this is because, due to high thickness of left ventricle blood gets into the aorta with high pressure, and if the aortic wall is not thick, high blood pressure in aorta breaks open wall.
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