Nutrition - Introduction Flashcards
What are nutrients?
Chemical compounds, provide heat & energy, assist with growth and repair
What are macronutrients & list the 3 of them
Nutrients needed in large amounts, protein, carbohydrates & lipids.
What are micronutrients & list the 2 of them
Nutrients needed in small amounts, vitamins & minerals. Measured in mg and ug
Elemental composition: how are nutrients formed?
Formed from molecules that are made of elements which form a molecule called an amino acid
The chemical formula of a nutrient explains?
How a nutrient is formed by stating the number of elements in each molecule
Classification of nutrients
Arrangement of nutrients into groups e.g. macronutrients
What are sources?
a food or origin that provides nutrients to the body
What are properties?
Characteristics that are unique to specific nutrients
What are biological functions
The function or job a nutrient carries out in the body
What does RDA stand for?
Recommended Dietary Allowance
What does RI stand for?
Reference Intake
What are deficiency diseases?
Occur when the body is lacking in a particular nutrient over a period of time
What is Digestion?
The breakdown of food to obtain nutrients
What is absorption?
The process of absorbing nutrients into the bloodstream through the villi of the small intestine
What is Utilisation?
How the body uses the nutrients absorbed into the bloodstream
