Arboreal Physiology also known simply as Tree/Wood Physiology can cause a possessing evolved human to gain abrasive and tough wooden (or woody-colored) skin, high pain resistance, exudation of sap from peeled bark instead of blood (sap may produce an effect), protrusion of jagged branches, Photosynthesis, or Rapid Cellular Regeneration, these are not all of the manifestations that one may be capable of gaining.