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what is meant by a 'balanced diet'?
A diet is designed to include all the food groups in the correct proportion.
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3 factors which could effect a person
1). Genes 2). Proportion of muscle to fat 3). Life-style/amount of exercise a person does
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what is a 'metabolic rate'?
the rate at which the reactions in your body take place, particularly cellular respiration.
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what is a 'pathogen'?
micro-organisms which cause disease
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what is an 'antibiotic'?
a drug that destroys bacteria inside the human body without damaging the cells.
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3 ways the white blood cells are part of the immune system
1). They can ingest and therefore destroy pathogens 2). they produce antibodies to help destroy particular pathogens 3). they produce antitoxins to neutralise the toxins that pathogens produce
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what is a 'antigen'?
unique protein on the surface of a cell. they are recognised by the immune system as 'self' or 'not-self'
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what is a 'antitoxin'?
an antibody with the ability to neutralise a specific toxin
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Card 2

Front

3 factors which could effect a person

Back

1). Genes 2). Proportion of muscle to fat 3). Life-style/amount of exercise a person does

Card 3

Front

what is a 'metabolic rate'?

Back

Preview of the front of card 3

Card 4

Front

what is a 'pathogen'?

Back

Preview of the front of card 4

Card 5

Front

what is an 'antibiotic'?

Back

Preview of the front of card 5
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