lecture25nth - Control of food intake by the brain feeding...

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Figure 22-1 Control of food intake by the brain feeding center (tonically active) satiety center
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Measurement of metabolic rate Metabolism - all of the chemical reactions in the body Energy expenditure – measured by heat production (calorimetry) – oxygen consumption rate (indirect calorimetry) Respiratory quotient (CO2 produced/O2 consumed) varies with diet – 1.0 for carbohydrates – 0.7 for fat
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