All three theories explain how the body functions. Every organ must remain stable and work with each other in order for the body to functional properly. For example, the heart must have certain beats per minute in order to pump blood throughout the body. The brain must maintain a strong and healthy nervous system. The lungs and mouth must work together in harmony to inhale oxygen and exhale carbon dioxide. If people get sick, then everything inside their body begins to work back to stability of health. If someone loses his/her sight, he/she develops a strong sense of smell, hearing, etc. Other senses of awareness become heightening because there is a weakness elsewhere. Lastly, the body is continuously evolving to battle new diseases and infections. Society works the same way. One great example is the distribution of currency. People earn, save, and spend money. Society relies on money for almost everything: food, transportation, clothes, emergencies,