BIOA02H3 Lecture 20: Lecture 20
30 Jan 2019
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O2 consumption : indirect measure of metabolic rate. Co2 production: indirect measure of metabolic rate. Heat production: direct measure of metabolic rate! Heat is not only a waste, but it also keeps our body warm :) Measure heat = measure metabolic rate this is done directly! indirect measuring 02 consumption and c02 production. ** notice calories burn does not equate to food calories. 1000 real calories are in one food calorie. top part direct measurement of metabolic rate bottom part indirect measurement of metabolic rate. ** as you can see the graph above the person above has a higher metabolic rate (heat production) when naked. As you dress more less heat production you need to produce = less metabolic rate. *** the greater the meal size, the higher the metabolic rate!! the longer it takes to go back down to the baseline: requires protein; fatty meal doesn"t induce large sda. ** all animals go through sda (not just mammals)
