In mammals, the process of inspiration involves A. alveolar collapse. B. negative pressure generated in the chest, causing the lungs to expand to fill the vacuum. C. the ribs and diaphragm pulling on

In mammals, the process of inspiration involves A. alveolar collapse. B. negative pressure generated in the chest, causing the lungs to expand to fill the vacuum. C. the ribs and diaphragm pulling on the lungs to produce expansion. D. multiple functions within the bronchial tree