Exercise _________ the amount of energy expended by the body.
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Card 7
Front
Define metabolic rate.
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Card 8
Front
What affects metabolic rate?
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Card 9
Front
The more regularly you exercise, the ____ fit you will tend to become.
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Card 10
Front
A ________ is a microorganism that causes (infectious) disease.
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Card 11
Front
Bacteria and viruses tend to reproduce _______ within the body.
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Card 12
Front
What do bacteria and viruses produce that make us feel ill?
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Card 13
Front
_______ reproduce in the bodies cells. This makes them harder to kill because any treatment may also damage the cells. The immune system will usually overcome viruses.
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Card 14
Front
Viruses ______ the cells they reproduce in.
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Card 15
Front
What defences does the body have against pathogens?
