When the switch of a flashlight is pushed into the ON position, it makes contact between two contact strips, which begin a flow of electricity, powered from the battery. The batteries are connected in such a way that electricity (flow of electrons) runs between the positive and negative electrodes of the battery.
Shigella infection (shigellosis) is an intestinal disease caused by a family of bacteria known as shigella. The main sign of shigella infection is diarrhea, which often is bloody. Shigella can be passed through direct contact with the bacteria in the stool.
Cholera. Cholera is an intestinal infection caused by the bacteria Vibrio cholerae. Cholera is a food-borne disease typically spread by food and water contaminated with Vibrio cholerae. Around the world, approximately 3 to 5 million cases per year with approximately 100,000 plus deaths occur.holera. Cholera is an intestinal infection caused by the bacteria Vibrio cholerae. Cholera is a food-borne disease typically spread by food and water contaminated with Vibrio cholerae. Around the world, approximately 3 to 5 million cases per year with approximately 100,000 plus deaths occur.