Why does nose start bleeding on high mountains?

Explanation

### Step-by-Step Solution:

1. **Understanding Atmospheric Pressure**:
- At sea level, the atmospheric pressure is higher compared to that at high altitudes. As you ascend to higher mountains, the atmospheric pressure decreases.

2. **Body Pressure vs. Atmospheric Pressure**:
- The pressure inside our body remains relatively constant regardless of altitude. This internal pressure is higher than the atmospheric pressure at high altitudes.

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