Medical Term #3 : Inflamation

Inflammation is a local protective response induced by injury or tissue damage, which serves to destroy, reduce, or bracketing (sequestration) both pencedera agents or tissue injury.

When tissue injuries such as burns, cut, or because of bacterial infection, then the network is a series of reactions that will occur that destroy harmful agents that prevent the agent network or spread more widely. These reactions are then also cause tissue injury repaired or replaced with new tissue. The series is called the inflammatory reaction

Medical Term #2 : Physiology

Physiology is the science of the function of living systems. This includes how organisms, organ systems, organs, cells and biomolecules carry out the chemical or physical functions that exist in a living system.

Medical Term #1 : Pain

Pain is an unpleasant sensation often associated with damage to the body. It is the feeling common to such experiences as stubbing a toe, burning a finger, putting iodine on a cut, and bumping the "funny bone" and is caused by activation of specialized pain-signaling nerve fibers or by damage or disease affecting the somatosensory nervous system.

(Wikipedia)