A balanced diet is eating food containing the correct nutrients in the correct amounts

Carbohydrates - These are your main source of energy. They are found in sugary foods such as sugar and fruit, where they provide a quick source of energy. They are also found in starchy food such as pasta and bread. These foods have to be broken down by the body so the energy is released slower.

Lipids - Lipids include fats and oils. They have three important jobs.

keeps your warm, by providing a layer of insulation under you skin
Protect organs like you heart and kidney from damage
Provide you with a store of energy

Proteins
Proteins are needed to repair body tissue and to make new cells for growth your muscles, organs and immune systems are mostly made of proteins

Vitamins and Minerals

Vitamins and Minerals are essential substances for keeping you healthy but you only need tiny amounts. Vitamins are needed for you to grow, develop and function normally. For example vitamin A is needed for good eye sight. Vitamin D is needed with the mineral calcium to maintain health teeth and bones

Fruit and Vegetables are a good source of vitamins and minerals

Water

Your cells are made up of about 70% of water. To keep them healthy you need to constantly replace the water your body is losing. Your body can lose water in sweat, tears, urine and exhaling. You should drink ever a litre of water a day. This can come from drinking water but tea, fruit , juice and squash all count

Fibre

Fibre is a type of carbohydrate but is not classed a nutrient. However it is an important part of your diet as it adds bulk to your food. This means it keeps food moving through the gut and waste pushed out of the body more easily, helping to prevent constipation

Summery Questions

Match the Nutrient to it's function

Crabohydrate Growth and repair
Lipids remain healthy
protein provide energy
Vitamins and minerals provide bulk to food
water energy store and insulation
needed in cells and bodily fluid
fibre (remember this is not a nutrient)

2. Describe the role of lipids in the body]

3.Explain in detail what is meant by a balanced diet. provide examples of what a balanced diet should contain

	Creado por Elizabeth_ella hace más de 8 años

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