oh, I think.............no. They dont. They only are oxegen poor. your airways and lungs only do.
A lot.
Choking Agents
respiratory
millons of alveoli are in the lungs
Mammals' lungs contain alveoli, which are basically "dead ends", so contain a mixture of fresh and stale air. However, in bird as their airways are open at both ends (one-way) air flows straight through.
Mammals' lungs contain alveoli, which are basically "dead ends", so contain a mixture of fresh and stale air. However, in bird as their airways are open at both ends (one-way) air flows straight through.
There are many websites that contain information on the British Airways Concorde. Among them are Wikipedia, British Airways, Flight Level 350, and Concorde SST.
It can cause a buildup of phlegm and mucus in the airways, but not in the lungs.
larger airways in the lungs
airways and lungs
Trachea