Respiratory Diseases and Disorders (Human Body)

Respiratory Diseases and Disorders

Respiratory System is the biological system that introduces respiratory gases to the interior and performs gas exchange. The respiratory tract has defense mechanisms that prevent most microorganisms and foreign objects from entering the lungs of a healthy person. Sometimes these defense mechanisms cannot resist invasion, and infection occurs. The person's defenses may be weakened, damaged, or the invading agent may be too strong for the person's body to r...