A gray is a measure of energy deposition per unit mass. 1 Gy to the entire body is very different than 1 Gy to a particular part of the body, especially since some parts of the body are far more sensitive to radiation than others.
A gray is a measure of energy deposition per unit mass. 1 Gy to the entire body is very different than 1 Gy to a particular part of the body, especially since some parts of the body are far more sensitive to radiation than others.