Fill in the following blanks with suitable words :
Circulation of blood was discovered by …..................

Answer

**Step-by-Step Solution:**

1. **Identify the topic of the question:** The question is asking about the discovery of blood circulation.

2. **Recall the relevant historical figure:** The scientist known for discovering the circulation of blood is William Harvey.

3. **Provide additional context:** William Harvey was an English physician who was the first to describe in detail how blood circulates in the body, including how it is pumped by the heart to various parts of the body.

4. **Fill in the blank:** Therefore, the complete statement is: "Circulation of blood was discovered by **William Harvey**."

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