Emphysema is a disease that damages alveoll. Describe how this disease would affect a person's ability to breathe. Then explain how emphysema would affect the concentration of oxygen and carbon dioxide in the bloodstream.

Aperson is most likely to recover from a viral infection if the infected cells ) can undergo normal cell divisionb) can carry on translation, at least for a few hoursc) produce and release viral proteind) transcribe viral mrna