- 
  
  began the search for medical reasons for illness
 average life span 20-30 years
 carefully monitored the pulse to determine the condition of the body
 recorded a pharmacopoeia of medications
 based mainly on the use of herbs
 used acupuncture to treat disease
- 
  
  described the circulatory systemic the lungs
 promoted chemical remedies to treat disease
 average life span 30-40 years
 researched optics and refraction
 first book on dentition
- 
  
  developed and organized method to observe the human body
 recorded signs and symptoms of many diseases
 created a high standard of ethics
 average life span 25-35 years
 stressed diet and cleanliness as ways to prevent disease
- 
  
  based diagnosis on observations
 developed criteria for distinguishing between smallpox and measles
 suggested blood was the cause of many infectious diseases
 began the use of animal hut for suture material
 average life span was 20-35 years
- 
  
  created aqueducts to carry clean water to the cities
 built sewers to carry waste materials away from cities
 drained marshes to reduce the incidence of malaria
 an imbalance in the humors resulted in illness symptoms of inflation and infectious disease
- 
  
  average life span was 20-35 years
 medications were mainly herbal mixtures
 monks and priests provided custodial care for sick people
 prayer was used to treat illness
- 
  
  earliest people to maintain accurate health records
 called upon the gods to heal them when disease occurred
 believed the body was a system of channels for air, tears ,urine, sperm, blood, and feces
 used magic to treat disease
- 
  
  established the use of ligatures to bind arteries and stop bleeding
 average life span 35-45 years
 identified the Fallopian tubes
 causes of disease were not known
 many people died from infection and puerperal fever
- 
  
  established scientific surgical procedures
 introduced feeding tube
 average life span was 40-45 years
 created mercury thermometer
 discovered the element oxygen
- 
  
  average life span 40-80 years
 pasteurizing milk to kill bacteria
 creating a vaccine for rabies
 a sheep was cloned
 demonstrated that mosquitos carry yellow fever
 the first successful voice box
 first test tube on a baby
