Who is the father of circulatory system?

Options

A. Robert Hooke
B. William Harvey
C. Theophrastus
D. None of these

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the individual who is referred to as the "father of the circulatory system."

2. **Identifying the Options**: The question provides four options, but we focus on identifying the correct one based on historical contributions to the study of the circulatory system.

3. **Historical Context**: The circulatory system has been studied for centuries, but significant advancements were made during the Renaissance period.

4. **Key Figure**: William Harvey is the key figure associated with the circulatory system. He conducted extensive research and experiments on blood circulation.

5. **Contribution**: William Harvey published his findings in 1628, providing the first accurate description of how blood circulates through the body, including the role of the heart and blood vessels.

6. **Conclusion**: Based on his pioneering work and contributions to understanding the circulatory system, William Harvey is recognized as the "father of the circulatory system."

7. **Final Answer**: Therefore, the answer to the question is William Harvey.

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