COPD, or Chronic Obstructive Pulmonary Disease, pretty much says it all. In COPD the Bronchioles (the pathways of air to the Aveoli), become inflamed and are occluded by mucus, because the Cilia which are responsible for pushing it out of the tract have been damaged. Because of the narrowing, the Aveoli attempt to increase the surface area so that more oxygen can be absorbed by the lungs, however this can lead to a problem as the dead space (space that is not the aveoli and can be absorbed) is then expanded as well, which leads to shortness of breath.
Answer: The integumentary system helps the immune system by The skin acts as a barrier to keep out pathogens (B)
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A I think that is your correct choice
Answer: I think true bec theyer to old to go out side or get a job plus I mean where would they work ...?
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