The rate at which reactions occur in your body, particularly cellular respiration
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Pathogens
Microorganisms that cause infectious diseases, usually in the form of bacteria or viruses
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Defence Mechanisms
Skin prevents pathogens getting into the body, pathogens are trapped in mucus and killed by stomach acid, White Blood Cells...
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White Blood Cells
Part of the immune system. They have 3 jobs; 1) Ingest pathogens (digest and destroy them); 2) Produce antibodies to help destroy particular pathogens; 3) Produce antitoxins to counteract the toxins (poisons) that pathogens produce.
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Immune System
the body system which recognises and destroys foreign cells or proteins such as invading pathogens
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Natural Selection
The process by which evolution takes place. Organisms produce more offspring than the environment can support so only those which are most suited to their environment - the 'fittest' - will survive to breed and pass on their useful characteristics
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Other cards in this set
Card 2
Front
The rate at which reactions occur in your body, particularly cellular respiration
Back
Metabolic Rate
Card 3
Front
Microorganisms that cause infectious diseases, usually in the form of bacteria or viruses
Back
Card 4
Front
Skin prevents pathogens getting into the body, pathogens are trapped in mucus and killed by stomach acid, White Blood Cells...
Back
Card 5
Front
Part of the immune system. They have 3 jobs; 1) Ingest pathogens (digest and destroy them); 2) Produce antibodies to help destroy particular pathogens; 3) Produce antitoxins to counteract the toxins (poisons) that pathogens produce.
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