Alveoli. Alveoli are the functional units of the lungs that permit gas exchange between the air in the lungs and the blood in the capillaries of the lungs. Alveoli are found in small clusters called alveolar sacs at the end of the terminal bronchiole.
Swat or SWAT may refer to: SWAT (Special Weapons and Tactics), a paramilitary unit of law-enforcement agencies Swatting, a hoax intended to provoke a response from SWAT or other emergency personnel.
Although members are predominately Florida based law enforcement officers, the Florida SWAT Association is open to all officers that respond to and resolve critical incidents, as well as those individuals who provide direct support for those officers.