The inflammatory response (inflammation) occurs when tissues are injured by bacteria, trauma, toxins, heat, or any other cause. The damaged cells release chemicals including histamine, bradykinin, and prostaglandins. These chemicals cause blood vessels to leak fluid into the tissues, causing swelling.
B. pain, swelling, and a local rise in temperature.
deforestation- making room for new buildings by clearing trees and forests
pollution- from factories, litter, and bad hygiene
