This difference is largely due to the metabolic requirements necessary to maintain constant body temperature. For example, the 20-gram mouse consumes six times more oxygen per unit body mass than does a 70-kg pig. The consequence of this relationship is that smaller species consume more oxygen per kilogram of body weight than do larger species. Basal metabolism, the metabolism of the resting animal, is a function of metabolic body weight (M 0.75). Oxygen consumption and carbon dioxide production vary with the metabolic rate, which is dependent on the animal’s level of activity. The respiratory system provides oxygen (O 2) to support tissue metabolism and removes carbon dioxide (CO 2). (a) is attached to a support that can be made to vibrate vertically with a small amplitude.The Respiratory System’s Primary Function Is the Transport of Oxygen and Carbon Dioxide Between the Environment and the Tissues Show appropriate time and distance scales on the axes.ī) The mass-spring system described in part (ii) On a sheet of graph paper sketch the displacement of the mass against time, starting from the moment of release and continuing for two oscillations. ![]() When a weight of 2.0 N 2.0 \mathrm 0.70 s. A spring for which the extension is directly proportional to the weight hung on it is suspended vertically from a fixed support.
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