The respiratory system provides an example of homeostatic regulation by the nervous system. In normal breathing there is a state of homeostasis. During exercise the respiratory system must work faster ...

The immune system has evolved specific mechanisms to deal with the unique problems encountered in the specialized microenvironment of the lung. This Review discusses the key mechanisms through ...

Endothelial cells– Manage vascular homeostasis. Smooth muscle cells– Maintain healthy bronchial tone. Fibroblasts– Promote recovery from injury and inflammation. Figure1. Respiratory System Cell Types ...

Homeostasis comprises the dynamic processes that enable optimum conditions to be maintained for cells, in spite of continual changes taking place internally and externally (Clancy and McVicar, 1995).