Describe the route of an RBC traveling from the heart to the left elbow and back to the heart
What will be an ideal response
From the heart, the RBC will enter the ascending aorta and then the aortic arch. The RBC will exit the aorta through the left subclavian artery, continue on that route through the axillary artery and into the brachial artery. At the elbow, the blood cell will exit into one of the small distributing arteries, move into a capillary bed, and then into venules in the elbow region. The RBC will then probably enter the median cubital vein and move into either the basilic or the cephalic vein. The basilic vein drains into the brachial vein, which drains into the axillary vein. The cephalic vein drains directly into the axillary vein. From axillary vein, the RBC will travel into the subclavian and brachiocephalic veins before entering the superior vena cava. The SVC will take the RBC back to the heart.
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