2. Nutrients in food and nutrition Flashcards
What are ‘nutrients’?
Substances in food that keep your body healthy.
Name the 4 main food groups.
Carbohydrates, Proteins, Fats & oils and Vitamins & minerals
What are the two main carbohydrates we eat?
Sugar and starch
Why is starch a better form of energy than sugary drinks?
Starch releases energy more slowly and thus last longer. Sugary drinks give you a quick burst of energy.
What food promotes growth and repair of your body?
Proteins
What food group helps your immune system fight infection?
Proteins
Name some of the important foods that give us protein.
Meat, fish, eggs, nuts and beans
What are saturated fats?
Unhealthy fats mainly from animals
Describe the role of `Vitamin A.
Improve eyesight and help body fight infections.
Describe the role of `Vitamin B.
Helps makes energy and red blood cells.
Describe the role of `Vitamin C.
Helps fight infections
Describe the role of `Vitamin D.
Helps make strong bones
Describe the role of `Vitamin E.
Protects the skin
Describe the role of `Vitamin K.
Helps stop bleeding
Describe the role of `Calcium
Strong teeth and bones
Describe the role of `Iron
Helps make red blood cells
Describe the role of `Zinc
Helps you grow
Why are processed foods generally unhealthy?
They usually contain extra salt, fat and sugar.
What is the recommended amount of water we should drink each day?
6-8 glasses
What role does fibre play in our diet?
Keeps our insides healthy and prevents constipation, diabetes and heart problems.
What causes rickets?
A lack of Vitamin D in the diet.
What causes tooth decay?
Too much sugar in your diet.
What causes constipation?
Too little fibre in your diet.
What causes diabetes?
An unhealthy diet, lack of exercise and being overweight can all contribute.
