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3 – Metabolic Rate (1) - Coggle Diagram
3 – Metabolic Rate (1)
Metabolic Rate
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Normally this energy is generated by cells aerobically respiring:
glucose + oxgyen ---> carbon dixiode + water + energy
- Metabolic rate is the quantity of energy used by the body over a given time.
- It is measured in kilojoules (or kilocalories).
Tools to measure
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Respirometer - Probes can be used to detect changes in CO2 concentration, O2 concentration.
Calorimeters
- Calorimeters measure the heat generated by an organism and calculates the metabolic rate from the results.
- Measures the energy production (heat) per unit of time is recorded.
Respirometre
- Probes can be used to detect changes in CO2 concentration, O2 concentration.
- Oxygen and carbon dioxide probes measure the volume of each gas used up or produced in a specific timeframe.
- Respirometers measure the amount of oxygen uptake by an organism.
- For example, if a man consumes 350L of oxygen on average per day this equates to 1700Kcal or 7000Kj of energy used.
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