The " mountain sickness" in persons climbing to high altitudes with any aid of oxygen cylinders is due to

Persons living at high altitude will have

Mountain sickness is due to

Mountain sickness is due to

Altitude sickness is caused at hight altitude due to

Why do mountaineers usually suffer from nose bleeding at high altitudes?

Oxygen-dissociation curve is at higher level in the persons living at high altitudes than those living in the plains.

Mountain sickness at high altitude is due to