What would happen if your lungs didn't expand?

If your lungs didn't expand, you would be unable to inhale oxygen effectively, leading to a severe lack of oxygen in the bloodstream. This condition, known as hypoxia, would quickly result in symptoms such as shortness of breath, confusion, and fatigue. Prolonged inability to expand the lungs could cause respiratory failure and ultimately be life-threatening without immediate medical intervention. Overall, lung expansion is crucial for maintaining adequate respiratory function and overall health.