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.
Birds, Spirit Animals. The meaning of eagle spirit animal remains the same no matter where we look. Eagle spirit animal is the messenger of the gods and the lord of the birds. There are sixty species of eagles around the world and copious legends in every culture to match. Eagle is synonymous with the freedom, vision and enlightenment. Eagle Eye