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.
1 Vibrio cholerae infects people through contaminated water or food. 2  Symptoms include abdominal pain, vomiting and profuse watery diarrhoea, which may lead to severe dehydration and possibly death. 3  Rice, vegetables, millet gruel and various types of seafood have been implicated in cholera outbreaks.