2. The body's main energy source should come from what essential nutrient?
A. protein <------
B. fat
C. carbohydrate
D. minerals
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The correct answer is C. carbohydrate.
Carbohydrates are the body's main energy source because they are broken down into glucose, which is then used by our cells to produce energy. To determine this, you can recall the key functions of nutrients and their roles in the body.
First, let's understand what each nutrient is and where it comes from:
1. Protein: Protein is a macronutrient that is essential for growth and repair of body tissues. It is found in foods like meat, eggs, dairy products, beans, and nuts.
2. Fat: Fat is another macronutrient that is important for providing energy, insulation, and hormone production. It is found in foods like oils, butter, nuts, and fatty meats.
3. Carbohydrate: Carbohydrates are also a macronutrient that provide the body with energy. They come in two forms: simple carbohydrates (e.g., sugar) and complex carbohydrates (e.g., whole grains, fruits, vegetables).
4. Minerals: Minerals are micronutrients that are essential for the proper functioning of the body. They are obtained from foods like fruits, vegetables, grains, and dairy products.
To determine the body's main energy source, we need to focus on the function of each nutrient. The main function of carbohydrates is to provide energy, making them a crucial fuel source for the body. While proteins, fats, and minerals are indispensable for various bodily functions, they are not primarily responsible for providing energy.
Therefore, based on this understanding, we can conclude that the body's main energy source should come from carbohydrates.