What happens when air is pumped into the lungs with the eyedropper?

When air is pumped into the lungs with an eyedropper, it can create pressure that simulates the natural process of inhalation. However, this method is not effective or safe, as it does not allow for proper gas exchange, and the lungs are not designed to handle air being introduced in such a manner. This could lead to lung damage or complications, as the air may not distribute evenly or could cause barotrauma. Overall, the lungs require a coordinated effort of muscle contraction and relaxation to function properly.