ANATOMY
CHEST AND CARDIOVASCULAR
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The structure on the heart that resembles a “lumpy ear” and stores blood is called the
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papillary muscle
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septum
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atrium
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auricle
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Explanation:
Detailed explanation-1: -There is a superficial leaf-like extension of the atria near the superior surface of the heart, one on each side, called an auricle-a name that means “ear like”-because its shape resembles the external ear of a human (Figure 5).
Detailed explanation-2: -The posterior auricular vein is the name for a vein that is formed via the collection of several venous tributaries situated behind the ear.
Detailed explanation-3: -The anterior auricular branches of the superficial temporal artery are distributed to the anterior portion of the auricula, the lobule, and part of the external meatus, anastomosing with the posterior auricular. They supply the external acoustic meatus and the visible part of the ear.
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