The Human Immune System: The Body’s Defense Against Disease

It is the most basic instinct of any living thing to fight to survive. It is for this same reason why the history of mankind has been constantly marked by various armed battles. Disputes arise because of conflicts between ideologies and religion. The desire to acquire others’ resources and dominate other territories have spawned wars. Since the beginning of time, man has not experienced a respite from bitter struggles that have brought terrible death and destruction.

In a smaller scale, another battle rages on. Bacteria, viruses and other molecular elements can be seen as parties in conflict inside the new battlefield — the human body. People are already familiar with the methodology of warfare maybe because it has been frequently taught in history classes and shown in movies. However, maybe only a few are aware of how this same process occurs within the human body.
In this case, a person’s body is considered the territory with all its abundant resources. The division that protects the territory, just like the armed forces in different countries, is called the immune system. If the armed forces makes use of a group of people and weaponry for...