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biology (nutrition and digestion)
32 cards·by 23aamo
name all the types of food in a diet
carbohydrates, proteins, fats, vitamins and minerals, fibre, water.
why do we need proteins
for growth and repair
examples of proteins
meats, chicken, fish, nuts
what things might effect your diet
age, gender, activity, circumstance (e.g. pregnancy)
give some examples of causes of obesity
types of cancer, heart diseases, arthritis, diabetes, high blood pressure.
definition of obesity
carrying excess body fat
how o you find out how much body fat a person has
bmi
how do you find the bmi
weight (kg) divided by height (m squared)
what re the bad things about bmi
bmi finds your body weight but it includes muscle, bone, fat and water.
how do you test for protein
biuret test
what colour will the biuret test go if there is preotein
violet
what is the test for starch
iodine
what colour will the iodine test go if there is starch
bluey black
what colour will the iodine test for protein go if there is not any starch
yellowy orange
what is the cure for obesity
reducing the amount of food you eat and excising
what id the test for fats
ethanol emulsion test
what colour will the ethanol emulsion test got if fats and present
milky cloud forms
how do you know if there is no fats in the ethanol emulsion test
no milky cloud forms
what is the test for sugar
Benedict test
how do you know if sugar is present in the Benedict test
goes blue to green to yellow to orange to red
what is the metabolic rate
the amount of energy a person has
why do we need fibres
prevents constipation and aids the digestive system.
what are the effects of malnourishing
rickets ,scurvy, kwashiorkor, anorexia, obesity
definition of malnourished
a person being over or under weight.
what do you become if you have a n unbalanced diet
malnourished
why do we need water
water makes 70 % of your body it also controls the concentration of chemicals in your body
give an example of vitamins and minerals
vegetables and fruits
why do we need fat
insulation and energy
examples of fat
butter, cream , cheese, oil
example of carb
bread, pasta, rice, potato
why do we need carbs
energy
examples of fibre
veg fruit skins and bran