Question

Why breathing becomes difficult as we go higher up why ?

Answer 1

Answer:

Breathing becomes difficult because oxygen in air decreases with increase in height

Answer 2

Answer:

gud morning

Explanation:

in order for your lungs to breathe air in without duress, the pressure has to be higher outside your body. But at high altitudes, the outside air pressure is lower than it is inside your lungs, making it more difficult to pull in the thinner air and for your veins to pump oxygen throughout the body.

thnxx and follow.

i hope it helps u