Nutrition

Nutrition is the process by which organisms take in and utilize food for growth, maintenance, and energy. In humans, nutrition is essential for maintaining health and preventing diseases. A balanced diet that provides essential nutrients is crucial for overall well-being.

Macronutrients

• Carbohydrates: Main source of energy; found in foods like bread, rice, and fruits.
• Proteins: Essential for growth and repair of tissues; found in foods like meat, beans, and nuts.
• Fats: Important for energy storage and insulation; found in foods like oils, butter, and avocados.

Micronutrients

• Vitamins: Essential for various metabolic processes; found in fruits, vegetables, and fortified foods.
• Minerals: Important for bone health, enzyme function, and fluid balance; found in foods like dairy products, leafy greens, and nuts.

Digestion and Absorption

After ingestion, food is broken down through the process of digestion. Carbohydrates, proteins, and fats are broken down into smaller molecules and absorbed in the small intestine. Water-soluble vitamins and minerals are also absorbed in the small intestine, while fat-soluble vitamins are absorbed in the small intestine through the action of bile.

Healthy Eating Guidelines

• Eat a variety of foods to ensure intake of different nutrients.
• Limit intake of processed foods high in added sugars and fats.
• Consume plenty of fruits, vegetables, and whole grains for fiber and essential nutrients.
• Stay hydrated by drinking an adequate amount of water daily.
• Limit sodium intake and opt for healthier cooking methods like baking, grilling, or steaming.

Understanding nutrition is crucial for maintaining a healthy lifestyle. By following a balanced diet that includes all essential nutrients, individuals can support their overall health and well-being.

[Nutrition] Related Worksheets and Study Guides:

• The Digestive System & NutritionScience • Eighth Grade
• Nutrition Facts LabelsHealth ED