Since this tends to keep things constant, it allows the maintenance of homeostasis. For instance, when the concentration of carbon dioxide in the human body increases, the lungs are signaled to increase their activity and expel more carbon dioxide. Thermoregulation is another example of negative feedback.
Butterfly Spirit Animal & Totem. The butterfly is one of the most emblematic totem animals symbolizing personal transformation. If you see the butterfly as your totem or spirit animal, pay attention to the areas in your life or personality that are in need of profound change or transformation.
Chinese art has numerous symbols and associated meanings for Butterfly. A single butterfly represents longevity, grace and beauty. Two are the symbol of young, harmonious love. Butterflies appearing with a cat acts as a wish to live a long, happy life as is a butterfly appearing on a hand or on plum blossoms. Finally, a butterfly enjoying nectar speaks of the rich flavor of joy.