9781422282953

9

Science and Energy

SCIENCE AND Medicine

1

M edical scientists usually have a background in biology or chemistry.They often specialize inone particular fieldwithin those broad categories.Neurochemists, for example, focus on the chemicals that affect how the brain operates.The larger field of biochemistry looks at the chemicals that operate throughout the entire body—various enzymes and other chemicals play a role in keeping the body healthy. Some medical scientists specialize in the study of genes and their role in medicine. Another area of research is immunology—the study of the immune system . Words to Understand compound  a mixture of different elements cultured  grew in special material in a laboratory enzymes  types of proteins produced in cells that trigger a biological function graft  to join living tissue from one organism to another immune system  various cells, tissues, and organs that work together to keep the body healthy oncologist  a doctor who specializes in treating cancer