Science B1

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  • Created by: Aisling
  • Created on: 08-06-13 16:06
what is systolic pressure?
maximum pressure the heart produces
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what is diastolic pressure?
the blood pressure between the heart beats
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what is fitness?
the ability to do physical excersice
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what is health?
being free from diseases
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how can smoking increase blood pressure?
carbon monoxide causes blood to carry less oxygen making the heart rate increase. Also nicotine increases the heart rate
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how do you work out an EAR for protein?
EAR in g= 0.6 x body mass in kg
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how do you work out the BMI?
BMI=mass in kg/(height in m)2
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what are pathogens?
disease-causing-organisms that produce symptoms of an infectious disease by damaging the body's cells or producing toxins.
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what are depressants?
alcohol, solvents, temazepam
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what are stimulants?
nicotine, ecstasy, caffinie
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what is an hallucinogen?
LSD
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what do depressants do?
block the transmission of nerve impulses across synapses
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what does hetrozygous mean?
having different alleles
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what is geotropism?
a plants response to gravity
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what does it mean: shoots are positively phototropic?
they grow towards the light
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what does it mean: roots are positively geotropic?
they grow with the pull of gravity
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where is the majority of auxin found?
in the shady part of the roots
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what does a higher amount of auxin do?
increase the length of cells.
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Other cards in this set

Card 2

Front

what is diastolic pressure?

Back

the blood pressure between the heart beats

Card 3

Front

what is fitness?

Back

Preview of the front of card 3

Card 4

Front

what is health?

Back

Preview of the front of card 4

Card 5

Front

how can smoking increase blood pressure?

Back

Preview of the front of card 5
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