Defences against diease Flashcards
(6 cards)
1
Q
Body defences
A
Skin (also secretes antimicrobial substances which kill pathogens)
Hair an mucus
Trachea and bronchi secrete mucus
Trachea and bronchi lined with cilia
Stomach produces hydrochloric acid
2
Q
Where is the immune system
A
White blood cells
3
Q
Three types of body defences
A
Engluf foreign cells (phagocytosis)
Producing antibodies
Produce antitoxins
4
Q
Phagocytosis
A
Digests foreign cells and kills them
5
Q
Producing antibodies
A
Complimentary antibodies to every antigen that bind to invading cells so they can be located and destroyed by white blood cells
6
Q
Producing antitoxins
A
Counteract bacterial toxin
