why is it harder to breathe when climbing up a high mountain

Answer 1

There are several factors that can make it harder to breathe when climbing up a high mountain:

1. Decreased oxygen levels: As you ascend to higher altitudes, the air becomes thinner and the concentration of oxygen in the air decreases. This can make it harder for your lungs to take in enough oxygen to meet the demands of your body during physical exertion.

2. Increased respiratory rate: To compensate for the lower levels of oxygen, your body may increase its respiratory rate in an attempt to take in more oxygen. This can lead to feelings of breathlessness or shortness of breath.

3. Altitude sickness: Climbing to high altitudes can also increase the risk of developing altitude sickness, which is caused by the body's inability to adjust to the decreased oxygen levels. Symptoms of altitude sickness can include shortness of breath, coughing, and rapid breathing.

4. Physical exertion: Climbing up a high mountain is physically demanding and requires more effort from your respiratory muscles. This can lead to feelings of fatigue and respiratory discomfort, making it harder to breathe.

Overall, the combination of decreased oxygen levels, increased respiratory rate, altitude sickness, and physical exertion can all contribute to the difficulty in breathing when climbing up a high mountain.