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HomeHomework HelpbiologyHuman Nutrition

Human Nutrition

Human nutrition (dietary requirements) refers to the essential nutrients and energy needed by the human body to maintain health, support growth, and enable proper physiological functions, which include macronutrients (carbohydrates, proteins, and fats) and micronutrients (vitamins and minerals) that must be obtained through diet. These requirements vary based on factors such as age, sex, activity level, and overall health status.

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Biology
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Overview

Human nutrition is vital for maintaining health and well-being. It encompasses the study of macronutrients and micronutrients, which are essential for energy, growth, and overall bodily functions. Understanding dietary requirements helps individuals make informed food choices that promote health and...

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Key Terms

Macronutrients
Nutrients required in large amounts for energy and growth.

Example: Carbohydrates, proteins, and fats are macronutrients.

Micronutrients
Nutrients needed in smaller amounts, such as vitamins and minerals.

Example: Vitamin C and iron are important micronutrients.

Balanced Diet
A diet that includes a variety of foods in the right proportions.

Example: A balanced diet includes fruits, vegetables, grains, and proteins.

Calories
A unit of energy provided by food.

Example: An apple has about 95 calories.

Vitamins
Organic compounds essential for normal growth and nutrition.

Example: Vitamin D helps with calcium absorption.

Minerals
Inorganic elements that play roles in various bodily functions.

Example: Calcium is important for bone health.

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Key Concepts

macronutrientsmicronutrientsbalanced dietdietary guidelines