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.
Swatter is a bug catcher that performs additional backtracing to allow AddOn authors to easily trace errors when you send them error reports. You may disable this AddOn if you never get bugs, don't care about them, or never report them when you do get them.