The difference between the number of calories consumed and burned each day is energy balance. An inactive person uses less energy as compared to an active person due to less work out and therefore would require fewer calories.
Further Explanation:
The difference between input and output energy or calories is the energy balance of the body. The energy balance can be categorized as;
a) Perfect balance: In the energy equation if the input and output difference in energy comes out to be zero, then one has a perfect energy balance. This means neither weight is lost nor gained. During the weight loss journey, the people in their weight maintenance stage show perfect energy balance.
b) Positive energy balance: If the difference in the energy input and output results in a positive number, a person gains weight. The people like growing children, weightlifters, and pregnant women show positive energy balance and bulk up.
c) Negative energy balance: If the difference ends up in a negative number, a person achieves an imbalance required for weight loss. This is called energy deficit and the person slims down due to the negative energy difference and loss of calories.
An active person uses more of its consumed energy to perform physical activities and hence would consume more calories to keep the body at its pace. Whereas, an inactive person do little or no physical activities and therefore requires less energy. As a result, he/she would consume fewer calories due to low energy requirements.
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Answer Details:
Grade: High School
Subject: Biology
Chapter: Energy balance
Keywords:
Energy balance, calories, energy input, energy output, perfect balance, positive energy balance, negative energy balance, weight gain, weight loss, energy deficit, physical activities.
