Total length of blood vessels in human body is

Options

A. 9.6 km
B. 96.5 km
C. 9600 km
D. 96000 km.

Answer

To solve the question about the total length of blood vessels in the human body, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Types of Blood Vessels**:
- The human body contains three main types of blood vessels: arteries, veins, and capillaries. Each type plays a crucial role in the circulatory system.

2. **Understand the Total Length of Blood Vessels**:
- When considering the total length of all blood vessels in the human body, it is important to note that they are highly folded and coiled within the body.

3. **Conversion of Length from Miles to Kilometers**:
- According to the information provided, if all the blood vessels were laid out end to end, their total length would be approximately 60,000 miles.
- To convert miles to kilometers, we use the conversion factor: 1 mile is approximately equal to 1.60934 kilometers.
- Therefore, 60,000 miles can be converted to kilometers:
\[ 60,000 \text{ miles} \times 1.60934 \text{ km/mile} \approx 96,560 \text{ km} \]

4. **Rounding the Result**:
- The approximate total length of blood vessels is around 96,560 kilometers. For the purpose of the options given in the question, we can round this to 96,000 kilometers.

5. **Selecting the Correct Option**:
- Among the options provided (9.6 km, 96.5 km, 9600 km, 96000 km), the closest and most accurate answer is 96,000 km.

### Final Answer:
The total length of blood vessels in the human body is approximately **96,000 kilometers**.

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