Claudius Galen (29 mar 129 año – 29 mar 199 año)

Descripción:

- A Roman physician

- Believed that the body was regulated by four fluids or humors: blood, phlegm. black bile, and yellow bile

- Believed that an imbalence in the humors resulted in illness

- Described symptos of inflammation and stuidied infectious diseases

- Dissected animals and determined function of muscles, kidney, and bladder