b1 chapter 1

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  • Created by: jen123456
  • Created on: 14-04-16 15:01
What is 'the metabolic rate'?
The speed at which chemical reactions take place in our bodies
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after exercise:
the metabolic rate stays high for a while
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What is a feature of low-density lipoproteins (LDLs)?
A feature of LDLs is they carry cholesterol from the liver to the cells of the body.
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What is it best to have for a healthy heart?
It is best to have a high proportion of HDL compared to LDL for a healthy heart.
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What is a 'pathogen'?
A disease-causing microorganism
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Which of these is one of the main problems with bacteria?
They produce toxins
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Which of these is one of the main problems with viruses?
They damage the host cell when they reproduce
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What is one of the functions of white blood cells?
White blood cells ingest and destroy pathogens
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How do antibiotics work?
Antibiotics work by stopping bacteria from reproducing.
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What can vaccination involve?
Vaccination can involve injecting an inactive form of the pathogen to stimulate immunity.
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It is important to use antibiotics carefully because:
We should be careful not to over-use antibiotics because dangerous strains of resistant bacteria may develop by natural selection.
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Card 2

Front

after exercise:

Back

the metabolic rate stays high for a while

Card 3

Front

What is a feature of low-density lipoproteins (LDLs)?

Back

Preview of the front of card 3

Card 4

Front

What is it best to have for a healthy heart?

Back

Preview of the front of card 4

Card 5

Front

What is a 'pathogen'?

Back

Preview of the front of card 5
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