Aerosolized perfluorocarbon (PFC) has been proposed as an alternative method of PFC administration; however, the efficacy of aerosolized PFC in a preterm animal model has not yet been demonstrated. No ...

The morphometrics of the respiratory system, voluntary emersion behaviour, and gas exchange during immersion and emersion were examined in the amphibious, intertidal crab Hemigrapsus nudus. The area ...

We explore the physical and structural challenges that face gas exchange surfaces in vertebrates and insects, by focusing on the role of the surfactant system. Pulmonary surfactant is a complex ...

Gas exchange occurs in the alveoli which are found in the lungs. Many spongy mesophyll cells are in contact with the air spaces, providing a large surface area for gas exchange to happen. The spongy ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Take a deep breath in …and out. Feels good, right? And it's also necessary for staying alive. But what ...

We need to get oxygen from the air into the blood, and we need to remove waste carbon dioxide from the blood into the air. Moving gases like this is called gas exchange. As the blood moves through the ...

The human respiratory system is composed of a network of tissues and organs that enable the body to absorb oxygen from the air as well as expel carbon dioxide and other waste gasses. These functions ...