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Which of the following describes why nutrients are important?

1) to build structures within the body
2) to regulate body processes
3) to provide energy
4) all of the above

1 Answer

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Final answer:

Nutrients are vital for providing energy, acting as building materials, and regulating bodily processes. They include both macronutrients needed in large amounts (carbohydrates, proteins, lipids, water) and micronutrients needed in smaller quantities (vitamins, minerals). The correct answer to the question is all of the above.

Step-by-step explanation:

Importance of Nutrients in the Body

Nutrients are essential for various functions in the human body, which includes providing energy, being the building materials for the growth and repair of the body, and helping to regulate body processes. The six major classes of nutrients are carbohydrates, proteins, lipids, water, vitamins, and minerals. These classes are divided into macronutrients (carbohydrates, proteins, lipids, and water) which are required in larger amounts, and micronutrients (vitamins and minerals) which are needed in smaller quantities.

Carbohydrates are a prime source of energy, proteins are crucial for building healthy bones and muscles, while lipids are used for new cell formation and energy storage. Both vitamins and minerals play a vital role in numerous biochemical processes, including enzyme function and metabolism, despite being required in lesser amounts. Notably, water, though it doesn't provide energy directly, is critical for maintaining life, as it is involved in nearly all bodily functions including digestion, nutrient transport, and temperature regulation.

Thus, when asked which of the following describes why nutrients are important – to build structures within the body, to regulate body processes, or to provide energy – the correct answer would be all of the above.

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