what makes a healthy diet

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what makes a healthy diet?
the correct amounts of .. carbohydrates protein fats vitamins minerals fibre water
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why do we need a healthy balanced diet?
if you dont have a balanced diet then you will end up malnourished this is a disorder that is caused by your body not getting enough nutrtion.
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how much energy do you need?
males need more energy than females of the same age unless the female is pregnant
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the metabolic rate?
you might need diffrent amounts of energy compared to a friend of the same age /gender/size of you. this is because the rate of chemical reactions in your cells (metolbolic rate)
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obesity
if you take more energy in than you use, the excess is stored as fat. although you need somebody fat to cushion youur internal organs
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losing weight
reduce the amount of energy you take in by cutting back the amount of food you eat + EXERCIZE MORE!
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Lack of food
many people are under weight + malnourished becaude there is not enough food to eat. e.g civil wars (failed crops ) ,africa
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Pathogens & diseases
infections and diseases are found all over the world e.g the common cold to killers e.g HIV /AIDS these can enter and attack your body or they can be passed on by genes
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microorganisms
microorgrams , which cause disease are called pathogens bacteria are single celled living organisms (much smalller) than animal or plant cells. viruses are even smaller than bacteria cause diseaseses to.
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direct contact
spread by the direct contact of the skin e.g sexually spread by herpes
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droplet infection
when you cough, sneeze or talk you expel tiny droplets full of pathogens
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through a break in skin
pathogens passed through cuts or scratches or needle punctures
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preventing microbes getting into your body
your skin covers your body & acts as a barrier it provents bacteria & viruses from reaching the tissues beneath
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the white blood cells help aginst pathogens in several diffrent ways
ingesting microorgranisms , producing antibodies , producing antoxins
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antibiotics
drugs can make us feel better but what we really need is drugs that cure us. antibiotics kill germs inside the body
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vaccination
immunisation involves giving you a vacctionation . a vacctionation is usally made dead or weakend form of the disease-causing microorganism. it works by triggering your bodys natural immune response to invading pathogens
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Card 2

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why do we need a healthy balanced diet?

Back

if you dont have a balanced diet then you will end up malnourished this is a disorder that is caused by your body not getting enough nutrtion.

Card 3

Front

how much energy do you need?

Back

Preview of the front of card 3

Card 4

Front

the metabolic rate?

Back

Preview of the front of card 4

Card 5

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obesity

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