The breathing rate of a normal healthy man is

Options

A. 8- 18 times/min
B. 6- 12 times/min
C. 10- 24 times/min
D. 12- 16 times/min

Answer

To determine the breathing rate of a normal healthy man, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Breathing Rate**: Breathing rate refers to the number of breaths taken in one minute. It is an important physiological parameter that can indicate the health status of an individual.

2. **Identifying Normal Ranges**: The normal breathing rate for a healthy adult typically falls within a specific range. Commonly accepted values suggest that the breathing rate can vary depending on factors such as age, fitness level, and overall health.

3. **Evaluating the Options**: We have four options provided:
- A) 8 to 18 times per minute
- B) 6 to 12 times per minute
- C) 10 to 24 times per minute
- D) 12 to 16 times per minute

4. **Selecting the Correct Range**: Based on physiological studies and medical literature, the normal breathing rate for a healthy adult is generally accepted to be between 12 to 16 breaths per minute.

5. **Conclusion**: Therefore, the correct answer to the question about the breathing rate of a normal healthy man is **12 to 16 times per minute**.

### Final Answer:
The breathing rate of a normal healthy man is **12 to 16 times per minute** (Option D).

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