Answer:
Epidemiological study.
Explanation:
Epidemiology study is the study of diseases, conducted among populations of humans. Such a study highlights HOW the diseases happen, WHEN the diseases occur and WHERE the diseases occur.
The information gathered is necessary to strategize on how to stop the spread of the diseases, to prevent ailment and also as a guide to the care of the patients.
Epidemiologists also attempt to determine what factors are associated with diseases (risk factors), and what factors may protect people or animals against disease (protective factors).
Answer:
world health organization
Explanation:
it means the world health services
Blind spots in large animals are normally directly down, behind, or up. So i think its b.
Answer:
Lubricates joints and body cells