Where are reflex center of respiratory, cardiac and vasomotor activities present ?

Explanation

### Step-by-Step Solution:

1. **Identify the Question**: The question asks about the location of the reflex centers responsible for respiratory, cardiac, and vasomotor activities.

2. **Understand the Functions**:
- **Respiratory Center**: This center regulates the breathing rate.
- **Cardiac Center**: This center controls the heart rate and cardiac output.
- **Vasomotor Center**: This center manages the constriction and dilation of blood vessels, influencing blood pressure.
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