The correct sequence of levels forming the structural hierarchy is: (a) organ, organ system, cellular, chemical, tissue, organismal (b) chemical, cellular, tissue, organismal, organ, organ system (c) chemical, cellular, tissue, organ, organ system, organismal (d) organismal, organ system, organ, tissue, cellular, chemical
An increased rate of breathing as a result of an increased buildup of carbon dioxide in the bloodstream would be best described as an example of which of the following? (a) maintaining boundaries, (b) excretion of metabolic waste, (c) responsiveness, (d) metabolism.