Process:  -You breathe oxygen into your body through the nose or mouth -The oxygen travels to the lungs through the windpipe -The air sacs in the lungs send the oxygen into the blood stream -The carbon dioxide in the blood stream is transferred to the air sacs -The lungs expel through the nose or mouth back into the environment.
 Question: What is the effect of global economic recession forces plants to close on the area of the windpipe is decreased.?
none