Animal Responses (HSC SSCE Biology): Flashcards
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Practise the cards
10 cards from this deck
Innate immunity
Innate immunity
Present at birth, non-specific defence against pathogens
Three lines of defence in immune system
Three lines of defence in immune system
Physical/chemical barriers; inflammation/phagocytosis; adaptive
Antigen
Antigen
Foreign molecule that triggers an immune response
Keratin function in skin
Keratin function in skin
Waterproof protein, mechanically tough, enzyme-resistant barrier
Stomach pH range
Stomach pH range
pH 1-2 (highly acidic)
Five cardinal signs of inflammation
Five cardinal signs of inflammation
Dolor, calor, rubor, tumor, functio laesa
Phagocytosis
Phagocytosis
Process where phagocytes surround & destroy foreign particles
Complement system function
Complement system function
~20 soluble proteins assisting in pathogen destruction
Normal human body temperature
Normal human body temperature
37°C
Cytokines
Cytokines
Chemical messengers promoting T & B lymphocyte development