any substance in the body to be constant, any gain must be offset by a lossģc. body is an open system that exchanges heat and materials with the outside environmentģa. Function on principle of mass balance (3) 1. Organisms, Organ system, tissue, and cells carry out chemical and physical functionģ. The dependent variable is their urine output. What are the independent and dependent variables in this experiment? The independent variable is the amount of water the students drink. Students in the laboratory run an experiment in which they drink different volumes of water and measure their urine output in the hour following drinking. What is the drawback of having only a single control system (a heater) for maintaining aquarium water temperature in some desired range? If the aquarium water became overheated, there is no control mechanism for bringing it back into the desired range. To maintain mass balance, both metabolites must either be excreted or further metabolized. Glucose metabolism adds CO2 and water to the body, disturbing the mass balance of these two substances. Explain the effect of glucose metabolism on mass balance in the body. TERMS IN THIS SET (12) If a person eats 12 mg of salt in a day and excretes 11 mg of it in the urine, what happened to the remaining 1 mg? the remaining 1 mg of salt remains in the body Glucose is metabolized to CO2 and water.
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