Problems with the return process can lead to stress on the heart and a range of circulatory and blood flow issues. Basic Anatomy of the Heart. The heart is the core of the circulatory system, and it is responsible for pumping and processing the blood for the entire body.
Cholera: Introduction. Cholera: An acute bacterial disease transmitted through food or water contaminated with human faeces. The intestinal infection is caused by the bacterium Vibrio cholerae. More detailed information about the symptoms, causes, and treatments of Cholera is available below.
Causes. A bacterium called Vibrio cholerae causes cholera infection. However, the deadly effects of the disease are the result of a potent toxin called CTX that the bacteria produce in the small intestine.CTX binds to the intestinal walls, where it interferes with the normal flow of sodium and chloride.holera bacteria in people. When humans ingest cholera bacteria, they may not become sick themselves, but they still pass the bacteria in their stool. When human feces contaminate food or water supplies, both can serve as ideal breeding grounds for the cholera bacteria.