B1.2 Health And Diet Flashcards
What is a balanced diet?
Contains the right amount of different foods and the right amount of energy to keep you healthy
What is carbohydrates? Why do we need it? How is stored?
Made up of simple sugars like glucose to give energy
It is stored in the liver as glycogen or converted into fats
What is fat? Why do we need it? How is stored?
Fats are made up of fatty acids and glycorel to give you energy
Stored under the skin and around organs as adispose tissue
What are proteins? Why do we need it? How is stored?
Proteins are made up of amino acids and used for growth and repair
Not stored
What is iron? Why do we need it? How is stored?
Iron is a mineral and used to make haemoglobin.
Not stored
What is vitamin c? Why do we need it? How is stored?
Prevents scurvy
Not stored
What is fibre? Why do we need it? How is stored?
To prevent constipation
Not stored
What is water? Why do we need it? How is stored?
Water- 70% of your cells contain it
To prevent dehydration, replacing water lost in tears, urine and faeces
What can a balanced diet vary according to?
Vegetarain/ vegan for example because of personal choice Religion Age Medical reasons Gender How active you are
How can you work out how much protein you need?
0.6 x bodg mass in KG
Why do we need protein?
To grow and develop properly.
In developing countries why do some not get enough protein?
Overpopulation -> too many people to feed
Limited investment in agriculture
What are second class proteins?
Plants
What are first class proteins and what do they contain?
Animals
Contain amino acids that the body cannot make
What is the protein deficieny disease called?
Kwashiorkor
