The number of RBCs in main incrases if he lives at a higher altitude because

The number of RBCs in man increases if he lives at a higher altitude because

The number of RBCs in man increases if he lives at a higher altitude because 1. there is less oxygen in mountains 2. there is more oxygen at the mountains 3. there are no germs in the air in mountain 4. more heat is required to be produced in the body for keeping warm

The number of RBCs increases if one lives at a higher altitude because

A person has difficulty in breathing at higher altitudes because-

Persons living at high altitude will have

Water boils at lower temperature on higher altitudes because

There is increase in number of RBCs at higher altitudes to compensate for