Because the Yersinia pestis bacteria forms back boils on the surface of the skin. Look at the picture at the link below to answer your question. Internal bleeding also cause blood to pool under the skin, turning it black.
Because people's faces turned black before they died.
The black death is also known as 'The Black Plague' but the scientific name for it is the bubonic plague.
The bubonic plague was called the Great Pestilence, Great Plague, or Great Mortality during the Middle Ages. Somewhat later it was called the Black Death. There is a link below.
AnswerThe Black Death is believed to have been caused by a bacterium, Yersinia pestis, and the disease is called bubonic plague. AnswerThe Black Plague was caused by the bacterium, Yersinia pestis, which was formerly Pasteurella pestis. The disease vectors were rodents, especially rats, and fleas. The Black Death or Black Plague was a specific outbreak of bubonic plague in Europe during 1346 to 1351.
The Plague, also called the Bubonic Plague or Black Death, broke out in China and India in 1344.
It was called Black Death, Black Plaque and Bubonic Plaque.
The bubonic plague.
The answer is bubonic plaque
The common name for bubonic plague is the Black Death.
The Black Death was almost certainly the bubonic plague.
the bubonic plague
Another name for the plague is the black death
The black death is also known as 'The Black Plague' but the scientific name for it is the bubonic plague.
This is a very nasty infectious disease, usually called the Bubonic plague, or the black death (but not the bubonic death). It has killed a lot of people.
The Black Death: Bubonic Plague
bubonic plague & the black death. (:
bubonic plague or the black death
It is the Black Death. (Black Plague, or Bubonic Plague)