Multiple choice

Blood circulation was discovered by ________.

  1. William Harvey

  2. William Roentgen

  3. Harvard Roy

  4. Karl and Steiner

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A Correct answer
Explanation

William Harvey discovered blood circulation in 1628 and demonstrated that blood flows through the body in a continuous loop pumped by the heart. His work 'De Motu Cordis' established the circulatory system. William Roentgen discovered X-rays, and the other names are not associated with circulation discovery.

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