Nitrogen is very important for life on Earth. It is an essential nutrient for plants and animals, it is a major component of protein. Protein is neccessary for animals to grow, reproduce, and survive. Through the nitrogen cycle, it's atoms move between living things, dead things, the air, the soil, and water. Plants incorporate nitrogen from soil, and when they are eaten by animals, animals incorporate it too. Carnivores get it from their preys.
When cell death occurs due to ischemia or infarction then this is termed as Coagulative necrosis.
During this type of necrosis, cell death occurs in a localized area due to lack of oxygen and other nutrients.
When a two year old swallows watch batteries then these batteries becomes trapped in the digestive system and inside the digestive tract , the positive and negative terminals of the battery gets bridged by the mucosa leading to the production of the electrical current and increase in the pH of the mucosa.
All these condition leads to coagulative necrosis due to which the kidney gets affected and heart failure occurs .
