balance diet
must consume 5 groups
fats
proteins
carbohydrates
mineral
vitamins
basal metabolic rate- energy required for body functions, even if the person is resting
they differe
age
sex
activity levels
pregnancy
breastfeeding
she needs more energy to carry her child
an elderly person may not need alot of energy because they dont move alot
malnutrition
caused by not eating a balanced diet
these include
conorary heart diesase
constipation
starvation
obesity
women need more BMR for menstration
a younger child needs more BMR for growth
unsaturated
saturated
from animals
from plants
increase colestrol in the blood
high cholestrol will lead to narrow arterys
give us energy
they contain starch and sugars
e.g; BREAD, FRUIT, ROOT VEGTABLES
small units are amino acids
20 amino acids
fats are an energy store, protect organs and providing insulin
e.g: cheese, meat, margarine
lack of fibre
caused by fried food e.g frieds, fried chicken
weekens imune system
consumes to much fat
vitamin C
get from citrus fruits
vitamin D
helps absorb calcium
oily fish, sunlight, dairy products
makes up skin, hair, gums and bones
calcium
needed for strong boned
milk cheese and eegs
irons
used to make haemoglobin
red meat, spinach, liver of animals.
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ingetion
asimulation
absorbtion
digestion
egetion
is the breakdown of large, insoluble foos molecules into small soluble food molecules
mechanical digestion
chemical digestion
no chemical reaction
takes place in the mouth
breakdown of larger nutrient molecules into small water soluble molecules with the aid of enzymes
take place in the small intestine
lipase
amylase
protease
can be found is slivar