Nutrients — definition?
Substances in food essential for body functions.
Nutrients — definition?
Substances in food essential for health.
Digestive system — role?
Breaks down food and absorbs nutrients.
Main energy source?
Carbohydrates provide quick energy.
Combustion — mechanism?
Fuel reacts with oxygen, releasing heat and light.
Digestive process — start?
Begins in the mouth with mechanical and chemical digestion.
Energy measured in?
Kilojoules (kJ).
Balanced diet — components?
Carbohydrates, proteins, fats, vitamins, minerals, water.
Malnutrition — causes?
Nutrient deficiency or excess.
Enzymes in digestion — role?
Speed up breakdown of nutrients.
Pon a prueba tus conocimientos con 10 preguntas sobre Fundamentals of Light, Metals, and Nutrition.
1. What are nutrients in food?
2. What is the primary energy source for the human body, especially during physical activity?
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