The number of new cases of a particular disease contracted within a defined population in a specified period is referred to as the incidence of the disease.
Population is defined as a group of similar type of organisms. This group of organisms live in the same area, they require same resources, have similar types of habits. The most essential criteria is that they can breed and reproduce among themselves.
Incidence of a disease is the data that provides information about the number of people affected by a disease at a given period of time. The likelihood of a person getting affected by the disease can be estimated using incidence.
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<u>Answer:</u>
Mitochondria, the organelles involved in cellular respiration, can also generate chemicals called reactive oxygen species (ROSs). ROSs can damage mitochondria. Damaged mitochondria generate more ROSs than healthy mitochondria. This is an example of a positive feedback mechanism
The reactive oxygen species that are given out by the mitochondria during cellular respiration are the major cause of aging. Though this has a lot of negative effects but this also has a small amount of positive effects such as the start of angiogenesis or cell proliferation.
