Solved UPSC CDS/OTA Question
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Q · Circulatory Systemmedium · 45s
Which chamber of the human heart pumps oxygenated blood to the body?
TopicCirculatory System
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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The left ventricle has the thickest muscular wall to generate high pressure needed to pump oxygenated blood into the aorta. From the aorta, blood is distributed via systemic arteries to all body tissues. The high pressure prevents backflow into the left atrium, aided by the bicuspid (mitral) valve.
Final Answer: Option D - Left ventricle