Metabolic Rate is the rate at which your body uses engergy
The body gets its energy in the form of chemical energy from food
Basal Metabolic Rate (BMR) - the rate you Burn Energy at rest
- BMR tells you the minimum energy you need to stay alive
- To measure someones BMR they need to go without food for about 12 hours and then be at rest. The amount of heat energy generated by their body is measured over a certain time.
Factors that effect BMR:
- Age: BMR reduces with age
- Body fat percentage: lowever your body fat - higher your BMR
- Gender (females have higher body fat so lower BMR)
- Exercise
- Diet: Body reacts to a sudden reduction in energy by lowering the BMR so it needs less energy
- External Tempuature: Exosure to cold makes the body increase its BMR so it keeps warm
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