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High proportion of elastin in the tunica media, and large amount of collagen in the tunica advetitia. Allows the Aortic arch to stretch during systole, and the elastic recoil allows it to propel blood during diastole, thus a continual supply of blood is given to the tissue, i.e. acts as a pressure resevoire.

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16y ago

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Related Questions

What is tortuous aortic arch?

It is an aortic arch with an aneurysm.


The aortic arch arches to where as it emerges from the heart?

Is a right sided aortic arch normal?


What is the function of the aortic arch?

it carries blood from the dorsal blood vessel to the ventrical blood cell


What is tortuous arch?

It is an aortic arch with an aneurysm.


Is the aortic arch closer to the base or apex of the heart?

The aortic arch is closer to the base of the heart.


The aortic arch arches to what as it emerges from the heart?

The aortic arch arches to the left as it emerges from the heart.


Which does not receive blood directly from the aortic arch?

The right common carotid artery does not receive blood directly from the aortic arch. It branches off the brachiocephalic trunk, which comes directly from the aortic arch.


What are the left branch off the aortic arch?

The three branches off the aortic arch arethe brachiocephalic arteryleft common carotid Arteryleft subclavian Artery.


Which pathway correctly traces blood as it travels from the aortic arch to the left arm?

Aortic arch ~>left subclavian artery ~> axillary artery ~> brachial artery ( and its profunda).


What is the branch of the aortic arch?

left subclavian artery


What is the function of the pulmonary arch?

either the right or the left sixth aortic arch that in the human fetus persists on the right side as the right pulmonary artery and on the left side as the ductus arteriosus and part of the pulmonary trunk


What is the first branch off the aortic arch?

brachiocephalic artery

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