Which of the following structures are found in the atria of the heart? A. trabeculae carneae B. pectinate muscles C. skeletal muscle D. papillary muscles
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A. Trabeculae carnea are found in the ventricles, which are the lower chambers of the heart. B. Pectinate muscles are found in the right atrium and are responsible for increasing the surface area of the atrial wall, allowing for more efficient contraction. Show more…
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