Nutrients — definition?
Substances in food essential for body functions.
Digestive system — role?
Breaks down food and absorbs nutrients.
Combustion — mechanism?
Fuel reacts with oxygen, releasing heat and light.
Nutrients — definition?
Substances in food essential for health.
Main energy source?
Carbohydrates provide quick energy.
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.
Answer 10 questions on Fundamentals of Light, Metals, and Nutrition.
1. What are nutrients in food?
2. What is the main role of villi in the small intestine?
Go over the full study guide for Fundamentals of Light, Metals, and Nutrition.
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