Tufts OpenCourseware
Search
NEXT : Mucociliary Escalator
Author: Angie Warner, D.V.M.,D.Sc.
The Need for Respiratory Defense Mechanisms
Description:The air-blood barrier is both extensive in surface area and very thin.  The distance infectious organisms must travel from the air space to the circulation is only 1 micron, making the lungs a very vulnerable site for infection to colonize the tissues.
People who viewed this content, also viewed...