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.
Vibrio cholerae. Vibrio cholerae is a Gram-negative, comma-shaped bacterium. The bacterium's natural habitat is brackish or saltwater. Some strains of V. cholerae cause the disease cholera. V. cholerae is a facultative anaerobe and has a flagellum at one cell pole as well as pili. V. cholerae can undergo respiratory and fermentative metabolism.