the discovery of an tool referred to as the optical microscope and the hot probabilities it provided to watch dwelling fabric needs to be thought of an important milestone within the develop of our knowing of the mechanisms of existence. large numbers of significant observations were made utilizing this tool, yet regrettably it basically produces two-dimensional photographs. the arrival of the electron microscope, first the transmission electron microscope (TEM) after which the scanning electron microscope (SEM), then made it attainable to watch the 3-dimensional constitution of specimens actually including an entire new measurement to our figuring out and bringing a few moment significant milestone in microscopy. With their hugely particular structure and nice sensible value, the respiration equipment and the airlines have acquired specific consciousness, and large sequence of investigations with SEM were performed. "To see is to understand", and lots of lung SEM investigations with diversified goals were played, yet "to see back is to appreciate better", so we provide this number of scanning electron micrographs, which, besides a few accepted features, additionally offers new and strange photographs of pulmonary morphology. we've got spotted that even supposing such a lot pulmonary constructions have already been obvious, at any time when we test a brand new specimen, new views, new facets, and new information emerge. we are hoping that physicians and scientists taking a look at those scanning electron micrographs will, simply as we did, locate new resources of ask yourself, and should then wish to delve deeper.