Nutrition in humans Flashcards
Why do you need to eat different foods?
To get different nutrients - your body needs the right fuel or it wont work properly
What are the essentials nutrients we need? (7 things)
- Carbohydrates
- Lipids
- Proteins
- Vitamins
- Mineral ions
- Water
- Dietary fibre
Why do we need carbohydrate? and give an example of where it is found?
- They provide energy
Found in pasta, rice, sugar…
Why do we need lipids (fats and oils)? and give an example of where it is found
- Provide energy and
- Act as an energy store
- Provide insulation
Found in butter and oily fish
Why do we need proteins and give? and example of where it is found
- Needed for growth and repair of tissue
- Provides energy in emergencies
Found in meat and fish
Why do we need vitamin A? And give an example of where it is found
- Helps improve vision
- Keeps your skin and air healthy
Found in liver
Why do we need vitamin D? And give an example of where it is found
- Needed for calcium absorption
(Made by your body when your skin is exposed to sunlight)
Found in eggs
Why do we need calcium? And give an example of where it is found
- Needed to make bones and teeth
Found in milk and cheese
Why do we need iron? And give an example of where it is found
- Needed to make haemoglobin for healthy blood
Found in red meat
Why do we need water? And give an example of where it is found
- Every bodily function relies on water - we need a constant supply to replace water loss through urinating, sweating and breathing
Found in food and drinks
Why do we need dietary fibre? And give an example of where it is found
- Aids the movement of food though the gut
Found in wholemeal bread
What is a balanced diet?
Gives you all the essential nutrients you need in the right proportions
What varies in different people?
Energy requirements
Why do we need vitamin C? And give an example of where it is found
- Needed to prevent scurvy
Found in oranges
