Surfactant: A fluid secreted by the cells of the alveoli (the tiny air sacs in the lungs) that serves to reduce the surface tension of pulmonary fluids; surfactant contributes to the elastic properties of pulmonary tissue, preventing the alveoli from collapsing.urfactant: A fluid secreted by the cells of the alveoli (the tiny air sacs in the lungs) that serves to reduce the surface tension of pulmonary fluids; surfactant contributes to the elastic properties of pulmonary tissue, preventing the alveoli from collapsing.
Guy Fawkes' Day is not a public holiday. Businesses, organizations and schools are open as usual. Public transport services run to their normal timetables. Some organizations, communities and municipalities may organize public bonfires or displays of fireworks on or around November 5.
The event includes arts, crafts, live entertainment, food booths, the largest firemenâs parade in Western Pa., fireworks, and more. The parade will be at 5:00 p.m. Saturday with fireworks at dusk. There will be free swimming at the Community Pool from 5:00 p.m. to 8:00 p.m. on Friday and noon to 5 p.m. on Saturday. There will be a 5k race on Saturday morning and a drum and bugle competition at 11:30 a.m. Everything is free â except for the food and a few activities.