How Your Body Uses Energy
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This content is for educational purposes only. Always consult a qualified medical professional or certified trainer before making decisions about your health, exercise, or fitness regimen.
Calories and Energy Balance
Energy Basics
Your body needs energy to breathe, think, move, and recover. Food provides energy, usually measured in calories. If you regularly eat more energy than you use, your body tends to store the extra; if you use more than you eat, your body tends to draw on stored energy.
Main Macronutrients
| Nutrient | Main role |
|---|---|
| Carbohydrates | Primary quick energy source |
| Protein | Builds and repairs body tissues |
| Fat | Longer-lasting energy and cell function |
Micronutrients
Which nutrient is the body's main quick energy source?
Carbohydrates are usually broken down quickly to provide energy.
Correct answer: Carbohydrates
Name one reason protein matters.
Protein supports muscle repair and many other body functions.
Correct answer: It helps build and repair body tissues.
What does hydration mainly help with?
Water supports temperature regulation, circulation, and many body processes.
Correct answer: Temperature control and body function