Immunity

What is a pathogen?
Any organism that causes disease
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What are the 3 ways pathogens can enter the body ?
Gas exchange system, skin and digestive system
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How does mucus and cilia prevent pathogens causing damage?
Mucus that lines the lungs epithelium traps the pathogens and cilia helps to move the mucus up to the mouth where it is removed
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What are 2 lifestyle factors that can increase your risk of getting CHD?
Any of: Poor diet, smoking, lack of exercise and excessive alcohol intake
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What are 3 lifestyle factors that can increase your risk of getting cancer?
smoking, excessive exposure to sunlight and excessive alcohol consumption
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What is cancer?
Uncontrolled cell division
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what is an antigen?
A protein or glyco-protein which causes an immune response
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What is phagocytosis?
The engulfment of a pathogen which is hydrolysed by lysozyme and the antigens are then presented on the cell surface membrane of the phagocyte
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Other cards in this set

Card 2

Front

What are the 3 ways pathogens can enter the body ?

Back

Gas exchange system, skin and digestive system

Card 3

Front

How does mucus and cilia prevent pathogens causing damage?

Back

Preview of the front of card 3

Card 4

Front

What are 2 lifestyle factors that can increase your risk of getting CHD?

Back

Preview of the front of card 4

Card 5

Front

What are 3 lifestyle factors that can increase your risk of getting cancer?

Back

Preview of the front of card 5
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