Georgia Virtual School (GAVS) Health Exam

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What is a calorie?

  1. A unit of water measurement

  2. A unit of heat energy

  3. A unit of weight

  4. A unit of time

The correct answer is: A unit of heat energy

A calorie is defined as a unit of heat energy, specifically the amount of energy needed to raise the temperature of one gram of water by one degree Celsius at a specified pressure. This concept is central to understanding nutrition and metabolism, as it quantifies the energy that food provides to the body. When we consume food, we are essentially consuming calories, which our bodies then use for various metabolic processes, physical activity, and maintaining bodily functions. This understanding is crucial for managing intake and energy balance in the context of health and nutrition.

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