balanced diet Flashcards
what is a balanced diet
A balanced diet is a diet that contains all the main nutrients in the correct amounts and proportions to maintain good health.
function of carbohydrates
source of energy
sources of carbohydrates
bread, cereals, pasta, rice, potatoes
function of fats
insulation and energy storage
sources of fats
butter, oil and nuts
function of protein
growth and repair
sources of protein
meat, fish, eggs, pulses, nuts
function of vitamin c
maintain healthy skin and gums
sources of vitamin c
citrus fruit, strawberries, green vegetables, cabbage, blackcurrants, guava, mango, tomato
function of vitamin d
HELPS THE BODY TO ABSORB CALCIUM AND SO REQUIRED FOR STRONG BONES AND TEETH
sources of vitamin d
oily fish, eggs, liver, dairy products, made naturally by body in sunlight
function of calcium
needed for strong teeth and bones and involved in the clotting of blood
sources of calcium
milk, cheese, fish, eggs
function of iron
formation of haemoglobin in the red blood cells
sources of iron
red meat, liver, leafy green vegetables, spinach, chocolate
deficiency of vitamin c
scurvy bleeding under gums
deficiency of calcium/vitamin d
CAUSES RICKETS - WHERE BONES BECOME SOFT AND DEFORMED (THIS IS BECAUSE VITAMIN D IS NEEDED FOR ABSORPTION OF CALCIUM INTO THE BODY WHICH IS A KEY COMPONENT OF BONES AND TEETH)
cause of rickets
lack in vitamin d, lack of sunlight, fish and eggs
function of fibre
provides bulk (roughage) for the intestine to push food through it
sources of fibre
vegetable, whole grains
function of water
needed for chemical reactions to take place in cells
sources of water
water, milk, juice, fruits and vegetables
